NML Cygni (Swedish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NML Cygni" in Swedish language version.

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books.google.com

Marvel, Kevin (1996). ”NML Cygni”. The circumstellar environment of evolved stars as revealed by studies of circumstellar water masers. Universal-Publishers. Sid. 182 – 212. ISBN 978-1-58112-061-5. http://books.google.com/books?id=wwx1Gj5wR5QC&pg=PR182. Läst 23 augusti 2012.
Hearnshaw J.B. (1996). ”New infrared sources and their interpretation”. The measurement of starlight: two centuries of astronomical photometry. Cambridge University Press. Sid. 278. ISBN 978-0-521-40393-1. http://books.google.com/books?id=Kp7G4IqK7woC&pg=PA278. Läst 23 augusti 2012.

Zhang, B.; Reid, M. J.; Menten, K. M.; Zheng, X. W.; Brunthaler, A. (2012). ”The distance and size of the red hypergiant NML Cygni from VLBA and VLA astrometry”. Astronomy & Astrophysics 544 (A42). doi:10.1051/0004-6361/201219587.