رویداد جناح گپسان (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "رویداد جناح گپسان" in Persian language version.

refsWebsite

Global rank Persian rank

77books.google.com

3^rd place

6^th place

9wilsoncenter.org

3,524^th place

3,346^th place

4nknews.org

5,141^st place

8,268^th place

3sinonk.com

low place

2worldcat.org

5^th place

12^th place

1dailynk.com

6,675^th place

low place

1piie.com

low place

books.google.com

Hoare، "Kapsan Faction"، 200. Hoare, James E. (2012). "Kapsan Faction". Historical Dictionary of Democratic People's Republic of Korea. Lanham: Scarecrow Press. pp. 200–201. ISBN 978-0-8108-7987-4.
Lim، Kim Jong-il's Leadership of North Korea، 37. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Seth، North Korea: A History، 113. Seth, Michael J. (2018). North Korea: A History. Macmillan International Higher Education. ISBN 978-1-352-00219-5.
Lim، Kim Jong-il's Leadership of North Korea، 37. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Armstrong، The North Korean Revolution, 1945–1950، 22. Armstrong, Charles K. (2013). The North Korean Revolution, 1945–1950. Ithaca: Cornell University Press. ISBN 978-0-8014-6880-3.
Lim، Leader Symbols and Personality Cult in North Korea، 47. Lim Jae-Cheon (2015). Leader Symbols and Personality Cult in North Korea: The Leader State. New York: Taylor & Francis. ISBN 978-1-317-56740-0.
Lim، Kim Jong-il's Leadership of North Korea، 37. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Jae-Jung Suh، Origins of North Korea's Juche، 97. Jae-Jung Suh, ed. (2013). Origins of North Korea's Juche: Colonialism, War, and Development. Rowman & Littlefield. ISBN 978-0-739-17658-0.
Lim، Kim Jong-il's Leadership of North Korea، 37. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Kim Jong-il's Leadership of North Korea، 38. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Easley، Japan and Asia's Contested Order، 125. Easley, Leif-Eric (2018). "North Korean Identity as a Challenge to East Asia's Regional Order". In Sohn, Yul; Pempel, T. J. (eds.). Japan and Asia's Contested Order: The Interplay of Security, Economics, and Identity. Palgrave Macmillan. pp. 109–144. ISBN 978-9-811-30256-5.
Cha and Sohn, Exit Emperor Kim Jong-Il, 26. Cha, John H.; Sohn, K. J. (2012). Exit Emperor Kim Jong-Il: Notes from His Former Mentor. Bloomington: Abbott Press. ISBN 978-1-4582-0217-8.
Lim، Kim Jong-il's Leadership of North Korea، 40. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Kim Jong-il's Leadership of North Korea، 38. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Cha and Sohn, Exit Emperor Kim Jong-Il, 26. Cha, John H.; Sohn, K. J. (2012). Exit Emperor Kim Jong-Il: Notes from His Former Mentor. Bloomington: Abbott Press. ISBN 978-1-4582-0217-8.
Lim، Kim Jong-il's Leadership of North Korea، 38. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Kim Jong-il's Leadership of North Korea، 38. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Cha and Sohn, Exit Emperor Kim Jong-Il, 26. Cha, John H.; Sohn, K. J. (2012). Exit Emperor Kim Jong-Il: Notes from His Former Mentor. Bloomington: Abbott Press. ISBN 978-1-4582-0217-8.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Cha and Sohn, Exit Emperor Kim Jong-Il, 26. Cha, John H.; Sohn, K. J. (2012). Exit Emperor Kim Jong-Il: Notes from His Former Mentor. Bloomington: Abbott Press. ISBN 978-1-4582-0217-8.
Lim، Kim Jong-il's Leadership of North Korea، 38. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Tertitskiy، Transition to Absolute Autocracy in North Korea، 84. Tertitskiy, Fyodor (2017a). "1967: Transition to Absolute Autocracy in North Korea". In Cathcart, Adam; Winstanley-Chesters, Robert; Green, Christopher K. (eds.). Change and Continuity in North Korean Politics. New York: Routledge. pp. 82–94. ISBN 978-1-138-68168-2.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Ra، Inside North Korea's Theocracy، 35. Ra Jong-yil (2019). Inside North Korea's Theocracy: The Rise and Sudden Fall of Jang Song-thaek. Translated by Jinna Park. Albany: State University of New York Press. ISBN 978-1-4384-7373-4.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Ra، Inside North Korea's Theocracy، 35. Ra Jong-yil (2019). Inside North Korea's Theocracy: The Rise and Sudden Fall of Jang Song-thaek. Translated by Jinna Park. Albany: State University of New York Press. ISBN 978-1-4384-7373-4.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Kim Jong-il's Leadership of North Korea، 40. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Tertitskiy، Transition to Absolute Autocracy in North Korea، 84. Tertitskiy, Fyodor (2017a). "1967: Transition to Absolute Autocracy in North Korea". In Cathcart, Adam; Winstanley-Chesters, Robert; Green, Christopher K. (eds.). Change and Continuity in North Korean Politics. New York: Routledge. pp. 82–94. ISBN 978-1-138-68168-2.
Hamm، Arming the Two Koreas: State, Capital and Military Power، 143. Hamm, Taik-Young (2012). Arming the Two Koreas: State, Capital and Military Power. London: Routledge. ISBN 978-1-134-62066-1.
Tertitskiy، Transition to Absolute Autocracy in North Korea، 84. Tertitskiy, Fyodor (2017a). "1967: Transition to Absolute Autocracy in North Korea". In Cathcart, Adam; Winstanley-Chesters, Robert; Green, Christopher K. (eds.). Change and Continuity in North Korean Politics. New York: Routledge. pp. 82–94. ISBN 978-1-138-68168-2.
Emiko and Leo, Transformation of the Intimate and the Public in Asian Modernity, 20–21. Emiko, Ochiai; Leo, Aoi Hosoya (2014). Transformation of the Intimate and the Public in Asian Modernity. The Intimate and the Public in Asian and Global Perspectives. BRILL. ISBN 978-9-004-26435-9.
Ra، Inside North Korea's Theocracy، 34. Ra Jong-yil (2019). Inside North Korea's Theocracy: The Rise and Sudden Fall of Jang Song-thaek. Translated by Jinna Park. Albany: State University of New York Press. ISBN 978-1-4384-7373-4.
Daily Report، Daily Report. East Asia. Index، 17. "Daily Report: East Asia". Daily Report. East Asia. Index. Washington: Foreign Broadcast Information Service. 68 (77). 15 April 1993. ISSN 1045-2192.
Hamm، Arming the Two Koreas: State, Capital and Military Power، 143. Hamm, Taik-Young (2012). Arming the Two Koreas: State, Capital and Military Power. London: Routledge. ISBN 978-1-134-62066-1.
Tertitskiy، Transition to Absolute Autocracy in North Korea، 84. Tertitskiy, Fyodor (2017a). "1967: Transition to Absolute Autocracy in North Korea". In Cathcart, Adam; Winstanley-Chesters, Robert; Green, Christopher K. (eds.). Change and Continuity in North Korean Politics. New York: Routledge. pp. 82–94. ISBN 978-1-138-68168-2.
Lim، Kim Jong-il's Leadership of North Korea، 40. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Cha and Sohn, Exit Emperor Kim Jong-Il, 27. Cha, John H.; Sohn, K. J. (2012). Exit Emperor Kim Jong-Il: Notes from His Former Mentor. Bloomington: Abbott Press. ISBN 978-1-4582-0217-8.
Tertitskiy، Transition to Absolute Autocracy in North Korea، 83. Tertitskiy, Fyodor (2017a). "1967: Transition to Absolute Autocracy in North Korea". In Cathcart, Adam; Winstanley-Chesters, Robert; Green, Christopher K. (eds.). Change and Continuity in North Korean Politics. New York: Routledge. pp. 82–94. ISBN 978-1-138-68168-2.
Review، "A Quarterly Journal for the Study of Communism and Communist Countries [Issues 16–27]"، 32. "Review: A Quarterly Journal for the Study of Communism and Communist Countries [Issues 16–27]". Review: A Quarterly Journal for the Study of Communism and Communist Countries (16–27). 1968. ISSN 0047-1747.
Ra، Inside North Korea's Theocracy، 34. Ra Jong-yil (2019). Inside North Korea's Theocracy: The Rise and Sudden Fall of Jang Song-thaek. Translated by Jinna Park. Albany: State University of New York Press. ISBN 978-1-4384-7373-4.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Cha and Sohn, Exit Emperor Kim Jong-Il, 27. Cha, John H.; Sohn, K. J. (2012). Exit Emperor Kim Jong-Il: Notes from His Former Mentor. Bloomington: Abbott Press. ISBN 978-1-4582-0217-8.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Tertitskiy، Transition to Absolute Autocracy in North Korea، 85. Tertitskiy, Fyodor (2017a). "1967: Transition to Absolute Autocracy in North Korea". In Cathcart, Adam; Winstanley-Chesters, Robert; Green, Christopher K. (eds.). Change and Continuity in North Korean Politics. New York: Routledge. pp. 82–94. ISBN 978-1-138-68168-2.
Tertitskiy، Transition to Absolute Autocracy in North Korea، 82. Tertitskiy, Fyodor (2017a). "1967: Transition to Absolute Autocracy in North Korea". In Cathcart, Adam; Winstanley-Chesters, Robert; Green, Christopher K. (eds.). Change and Continuity in North Korean Politics. New York: Routledge. pp. 82–94. ISBN 978-1-138-68168-2.
Lim، Kim Jong-il's Leadership of North Korea، 40. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Tertitskiy، Transition to Absolute Autocracy in North Korea، 87. Tertitskiy, Fyodor (2017a). "1967: Transition to Absolute Autocracy in North Korea". In Cathcart, Adam; Winstanley-Chesters, Robert; Green, Christopher K. (eds.). Change and Continuity in North Korean Politics. New York: Routledge. pp. 82–94. ISBN 978-1-138-68168-2.
Cha and Sohn, Exit Emperor Kim Jong-Il, 28. Cha, John H.; Sohn, K. J. (2012). Exit Emperor Kim Jong-Il: Notes from His Former Mentor. Bloomington: Abbott Press. ISBN 978-1-4582-0217-8.
Lim، Leader Symbols and Personality Cult in North Korea، 48. Lim Jae-Cheon (2015). Leader Symbols and Personality Cult in North Korea: The Leader State. New York: Taylor & Francis. ISBN 978-1-317-56740-0.
Lim، Kim Jong-il's Leadership of North Korea، 40. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Cha and Sohn, Exit Emperor Kim Jong-Il, 29. Cha, John H.; Sohn, K. J. (2012). Exit Emperor Kim Jong-Il: Notes from His Former Mentor. Bloomington: Abbott Press. ISBN 978-1-4582-0217-8.
Encyclopaedia Britannica, “Korea”, 462A. "Korea". Encyclopaedia Britannica. Vol. 13. Chicago: Encyclopaedia Britannica. 1973. ISBN 978-0-85229-173-3.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Seth، North Korea: A History، 114. Seth, Michael J. (2018). North Korea: A History. Macmillan International Higher Education. ISBN 978-1-352-00219-5.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Seth، North Korea: A History، 114. Seth, Michael J. (2018). North Korea: A History. Macmillan International Higher Education. ISBN 978-1-352-00219-5.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Kim Jong-il's Leadership of North Korea، 40. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Hamm، Arming the Two Koreas: State, Capital and Military Power، 143. Hamm, Taik-Young (2012). Arming the Two Koreas: State, Capital and Military Power. London: Routledge. ISBN 978-1-134-62066-1.
Ra، Inside North Korea's Theocracy، 34. Ra Jong-yil (2019). Inside North Korea's Theocracy: The Rise and Sudden Fall of Jang Song-thaek. Translated by Jinna Park. Albany: State University of New York Press. ISBN 978-1-4384-7373-4.
Lim، Kim Jong-il's Leadership of North Korea، 44. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Kim Jong-il's Leadership of North Korea، 40. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Kim Jong-il's Leadership of North Korea، 39. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Leader Symbols and Personality Cult in North Korea، 48. Lim Jae-Cheon (2015). Leader Symbols and Personality Cult in North Korea: The Leader State. New York: Taylor & Francis. ISBN 978-1-317-56740-0.
Lim، Kim Jong-il's Leadership of North Korea، 40. Lim Jae-Cheon (2008). Kim Jong-il's Leadership of North Korea. New York: Routledge. ISBN 978-1-134-01712-6.
Lim، Leader Symbols and Personality Cult in North Korea، 48. Lim Jae-Cheon (2015). Leader Symbols and Personality Cult in North Korea: The Leader State. New York: Taylor & Francis. ISBN 978-1-317-56740-0.
Ra، Inside North Korea's Theocracy، 34. Ra Jong-yil (2019). Inside North Korea's Theocracy: The Rise and Sudden Fall of Jang Song-thaek. Translated by Jinna Park. Albany: State University of New York Press. ISBN 978-1-4384-7373-4.
Ra، Inside North Korea's Theocracy، 59. Ra Jong-yil (2019). Inside North Korea's Theocracy: The Rise and Sudden Fall of Jang Song-thaek. Translated by Jinna Park. Albany: State University of New York Press. ISBN 978-1-4384-7373-4.
Ra، Inside North Korea's Theocracy، 36. Ra Jong-yil (2019). Inside North Korea's Theocracy: The Rise and Sudden Fall of Jang Song-thaek. Translated by Jinna Park. Albany: State University of New York Press. ISBN 978-1-4384-7373-4.

dailynk.com

Sohn، "Power slipping through Kim Jong Un's fingers?". Sohn Gwang Joo (22 June 2015). "Power slipping through Kim Jong Un's fingers?". DailyNK. Retrieved 16 May 2019.

nknews.org

Tertitskiy، "The 1967 speech that set North Korean totalitarianism in stone". Tertitskiy, Fyodor (24 May 2017b). "The 1967 speech that set North Korean totalitarianism in stone". NK News. Retrieved 9 March 2019.
Tertitskiy، "The 1967 speech that set North Korean totalitarianism in stone". Tertitskiy, Fyodor (24 May 2017b). "The 1967 speech that set North Korean totalitarianism in stone". NK News. Retrieved 9 March 2019.
Tertitskiy، "The 1967 speech that set North Korean totalitarianism in stone". Tertitskiy, Fyodor (24 May 2017b). "The 1967 speech that set North Korean totalitarianism in stone". NK News. Retrieved 9 March 2019.
Tertitskiy، "The 1967 speech that set North Korean totalitarianism in stone". Tertitskiy, Fyodor (24 May 2017b). "The 1967 speech that set North Korean totalitarianism in stone". NK News. Retrieved 9 March 2019.

piie.com

Haggard، "Monolithic Ideological System Update". Haggard, Stephan (19 December 2013). "Monolithic Ideological System Update". North Korea: Witness to Transformation. Peterson Institute for International Economics. Retrieved 16 May 2019.

sinonk.com

Tertitskiy، Hunting for Kim Il-sung's 'May 25th Instructions'. Tertitskiy, Fyodor (19 February 2014). "Back to the Primary Source: Hunting for Kim Il-sung's 'May 25th Instructions'". Sino-NK. Retrieved 9 April 2020.
Tertitskiy، Hunting for Kim Il-sung's 'May 25th Instructions'. Tertitskiy, Fyodor (19 February 2014). "Back to the Primary Source: Hunting for Kim Il-sung's 'May 25th Instructions'". Sino-NK. Retrieved 9 April 2020.
Tertitskiy، Hunting for Kim Il-sung's 'May 25th Instructions'. Tertitskiy, Fyodor (19 February 2014). "Back to the Primary Source: Hunting for Kim Il-sung's 'May 25th Instructions'". Sino-NK. Retrieved 9 April 2020.

wilsoncenter.org

Person، "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". Person, James F. (14 December 2013). "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". North Korea International Documentation Project. Wilson Center. Retrieved 11 October 2018.
Person، "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". Person, James F. (14 December 2013). "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". North Korea International Documentation Project. Wilson Center. Retrieved 11 October 2018.
Person، "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". Person, James F. (14 December 2013). "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". North Korea International Documentation Project. Wilson Center. Retrieved 11 October 2018.
Person، "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". Person, James F. (14 December 2013). "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". North Korea International Documentation Project. Wilson Center. Retrieved 11 October 2018.
Person، "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". Person, James F. (14 December 2013). "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". North Korea International Documentation Project. Wilson Center. Retrieved 11 October 2018.
Person، "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". Person, James F. (14 December 2013). "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". North Korea International Documentation Project. Wilson Center. Retrieved 11 October 2018.
Person، "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". Person, James F. (14 December 2013). "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". North Korea International Documentation Project. Wilson Center. Retrieved 11 October 2018.
Person، "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". Person, James F. (14 December 2013). "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". North Korea International Documentation Project. Wilson Center. Retrieved 11 October 2018.
Person، "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". Person, James F. (14 December 2013). "The 1967 Purge of the Gapsan Faction and Establishment of the Monolithic Ideological System". North Korea International Documentation Project. Wilson Center. Retrieved 11 October 2018.

worldcat.org

Daily Report، Daily Report. East Asia. Index، 17. "Daily Report: East Asia". Daily Report. East Asia. Index. Washington: Foreign Broadcast Information Service. 68 (77). 15 April 1993. ISSN 1045-2192.
Review، "A Quarterly Journal for the Study of Communism and Communist Countries [Issues 16–27]"، 32. "Review: A Quarterly Journal for the Study of Communism and Communist Countries [Issues 16–27]". Review: A Quarterly Journal for the Study of Communism and Communist Countries (16–27). 1968. ISSN 0047-1747.