Pedra del sol (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pedra del sol" in Catalan language version.

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5worldcat.org

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Horvàth, G. et al. (2011). 'On the trail of Vikings with polarized skylight: experimental study of the atmospheric optical prerequisites allowing polarimetric navigation by Viking seafarers' Phil. Trans. R. Soc. B (2011) 366, 772–782 doi:10.1098/rstb.2010.0194
Ropars, G. et al., 2011. A depolarizer as a possible precise sunstone for Viking navigation by polarized skylight. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Science. Available at: http://rspa.royalsocietypublishing.org/content/early/2011/10/28/rspa.2011.0369.abstract Accessed December 5, 2011.doi:10.1098/rspa.2011.0369
Bernáth, Balázs; Farkas, Alexandra; Száz, Dénes; Blahó, Miklós; Egri, Ádám Proceedings of the Royal Society A, 470, 26-03-2014, pàg. 20130787. Bibcode: 2014RSPSA.47030787B. DOI: 10.1098/rspa.2013.0787. PMC: 4042717. PMID: 24910520.

fer3.com

Rogers, Francis M. 1971. "Precision Astrolabe Portuguese Navigators and Transoceanic Navigation - Arxivat 2011-07-10 a Wayback Machine.Kollsmann Sky Compass". Academia Internacional da Cultura Portugeusa (Lisbon, Portugal) pp. 288-291. Retrieved December 29, 2010.

google.cat

books.google.cat

Crawford, F.S.. Berkeley physics course: Ondas. 3 (en suec). Editorial Reverte, 1971, p. 476. ISBN 978-84-291-4023-1 [Consulta: 19 novembre 2021].
Wernick, R. The Vikings: Conquering the Wind and Waves. New Word City, 2017, p. 14. ISBN 978-1-61230-718-3.
Gábor Horváth. Polarized Light in Animal Vision: Polarization Patterns in Nature. Springer, 12 gener 2004, p. 447. ISBN 978-3-540-40457-6.

harvard.edu

adsabs.harvard.edu

Bernáth, Balázs; Farkas, Alexandra; Száz, Dénes; Blahó, Miklós; Egri, Ádám Proceedings of the Royal Society A, 470, 26-03-2014, pàg. 20130787. Bibcode: 2014RSPSA.47030787B. DOI: 10.1098/rspa.2013.0787. PMC: 4042717. PMID: 24910520.

hi.is

raunvis.hi.is

Vilhjalmsson, Thorsteinn. 1997. "Time and Travel in Old Norse Society Arxivat 2016-03-03 a Wayback Machine.". Disputatio, (II): 89–114.

nih.gov

ncbi.nlm.nih.gov

Bernáth, Balázs; Farkas, Alexandra; Száz, Dénes; Blahó, Miklós; Egri, Ádám Proceedings of the Royal Society A, 470, 26-03-2014, pàg. 20130787. Bibcode: 2014RSPSA.47030787B. DOI: 10.1098/rspa.2013.0787. PMC: 4042717. PMID: 24910520.

rawstory.com

Agence France-Presse, 05-03-2013. Arxivat 7 de març 2013 a Wayback Machine. «Còpia arxivada». Arxivat de l'original el 2013-03-07. [Consulta: 14 novembre 2021].

royalsocietypublishing.org

rspa.royalsocietypublishing.org

Ropars, G. et al., 2011. A depolarizer as a possible precise sunstone for Viking navigation by polarized skylight. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Science. Available at: http://rspa.royalsocietypublishing.org/content/early/2011/10/28/rspa.2011.0369.abstract Accessed December 5, 2011.doi:10.1098/rspa.2011.0369

theguardian.com

Sample, Ian."Crystals may have aided Viking sailors". Guardian (Manchester, UK) p. 8. 7 February 2007. Retrieved December 27, 2010. "Tests aboard a research vessel in the Arctic ocean found that certain crystals can be used to reveal the position of the sun, a trick that would have allowed early explorers to ascertain their position and navigate, even if the sky was obscured by cloud or fog."

web.archive.org

Vilhjalmsson, Thorsteinn. 1997. "Time and Travel in Old Norse Society Arxivat 2016-03-03 a Wayback Machine.". Disputatio, (II): 89–114.
Rogers, Francis M. 1971. "Precision Astrolabe Portuguese Navigators and Transoceanic Navigation - Arxivat 2011-07-10 a Wayback Machine.Kollsmann Sky Compass". Academia Internacional da Cultura Portugeusa (Lisbon, Portugal) pp. 288-291. Retrieved December 29, 2010.
Agence France-Presse, 05-03-2013. Arxivat 7 de març 2013 a Wayback Machine. «Còpia arxivada». Arxivat de l'original el 2013-03-07. [Consulta: 14 novembre 2021].

worldcat.org

Einarsson, Árni. 2010. Sólarsteinninn: tæki eða tákn. (Summary in English: Sunstone: fact or fiction). Gripla 21 (1) 281–97 Árni Magnússon Institute. ISSN 1018-5011 ISSN 1018-5011.
Einarsson, Árni. 2001. The symbolic imagery of Hildegard of Bingen as a key to the allegorical Raudulfs thattr in Iceland. Erudiri Sapientia, Studien zum Mittelalter und zu seiner Rezeptionsgeschichte (Studies on the Middle Ages and their reception history); II: 377–400. ISSN 1615-441X
Loescher, G. 1981. "Rauðúlfs þáttr". Zeitschrift für deutsches Altertum und deutsche Literatur (ZfDA) 110: 253-266. ISSN 0044-2518
Bragason, Úlfar 1988. "The structure and meaning of Hrafns saga Sveinbjarnarsonar". Scandinavian Studies 60: 267–292. ISSN 0036-5637
1977-, Kaplan, Matt. Science of the magical : from the Holy Grail to love potions to superpowers. First Scribner hardcover, 2015-10-27. ISBN 9781476777108. OCLC 904813040.