環狀星雲 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "環狀星雲" in Chinese language version.

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archive.org

Garfinkle, Robert A. Star-hopping: Your Visa to Viewing the Universe. Cambridge University Press. 1997. ISBN 978-0-521-59889-7. OCLC 37355269.
Crossen, Craig; Rhemann, Gerald. Sky Vistas: Astronomy for Binoculars and Richest-Field Telescopes. Springer. 2004. ISBN 3-211-00851-9. OCLC 52424007.
Dunlop, Storm. Atlas of the Night Sky. Collins. 2005. ISBN 0-00-717223-0.
Karttunen, Hannu. Fundamental Astronomy. Springer. 2003: 314. ISBN 3-540-00179-4.

books.google.com

Coe, Steven R. Nebulae and how to observe them. Astronomers' observing guides. Springer. 2007: 111. ISBN 1-84628-482-1.
Steinicke, Wolfgang. Observing and Cataloguing Nebulae and Star Clusters: From Herschel to Dreyer's New General Catalogue. Cambridge University Press. 2010: 42–43 [2016-04-29]. ISBN 0-521-19267-6. （原始内容存档于2016-06-12）.
Crossen, Craig; Rhemann, Gerald. Sky vistas: astronomy for binoculars and richest-field telescopes. Springer. 2004. ISBN 3-211-00851-9.

doi.org

Murdin, P. Ring Nebula (M57, NGC 6720). Paul Murdin (编). Encyclopedia of Astronomy and Astrophysics. Institute of Physics Publishing. 2000. Bibcode:2000eaa..bookE5323.. ISBN 978-0-333-75088-9. doi:10.1888/0333750888/5323. Article ID #5323.
Huggins, W.; Miller, W. A. On the Spectra of Some of the Nebulae. And On the Spectra of Some of the Fixed Stars. Proceedings of the Royal Society of London. 1863–1864, 13 (0): 491–493. JSTOR 112077. doi:10.1098/rspl.1863.0094.

harvard.edu

ui.adsabs.harvard.edu

Murdin, P. Ring Nebula (M57, NGC 6720). Paul Murdin (编). Encyclopedia of Astronomy and Astrophysics. Institute of Physics Publishing. 2000. Bibcode:2000eaa..bookE5323.. ISBN 978-0-333-75088-9. doi:10.1888/0333750888/5323. Article ID #5323.

jstor.org

Huggins, W.; Miller, W. A. On the Spectra of Some of the Nebulae. And On the Spectra of Some of the Fixed Stars. Proceedings of the Royal Society of London. 1863–1864, 13 (0): 491–493. JSTOR 112077. doi:10.1098/rspl.1863.0094.

seds.org

Frommert, Hartmut; Kronberg, Christine. William Huggins (February 7, 1824 – May 12, 1910). SEEDS. [2008-04-11]. （原始内容存档于2008-04-21）.

u-strasbg.fr

simbad.u-strasbg.fr

M 57. SIMBAD. 斯特拉斯堡天文資料中心.

web.archive.org

Steinicke, Wolfgang. Observing and Cataloguing Nebulae and Star Clusters: From Herschel to Dreyer's New General Catalogue. Cambridge University Press. 2010: 42–43 [2016-04-29]. ISBN 0-521-19267-6. （原始内容存档于2016-06-12）.
Frommert, Hartmut; Kronberg, Christine. William Huggins (February 7, 1824 – May 12, 1910). SEEDS. [2008-04-11]. （原始内容存档于2008-04-21）.

worldcat.org

Garfinkle, Robert A. Star-hopping: Your Visa to Viewing the Universe. Cambridge University Press. 1997. ISBN 978-0-521-59889-7. OCLC 37355269.
Crossen, Craig; Rhemann, Gerald. Sky Vistas: Astronomy for Binoculars and Richest-Field Telescopes. Springer. 2004. ISBN 3-211-00851-9. OCLC 52424007.