Messier 87 (Norwegian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Messier 87" in Norwegian language version.

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archive.org

Turland, B. D. (1975). «Observations of M87 at 5 GHz with the 5-km telescope». Monthly Notices of the Royal Astronomical Society. 170: 281–294. Bibcode:1975MNRAS.170..281T.

«Results for NGC 4486». NASA/IPAC Extragalactic Database. California Institute of Technology. Besøkt 22. oktober 2006. Select the "By Name" cell, then enter "NGC 4486" in the "Object Name:" field of the query form.

Lambert, S. B.; Gontier, A.-M. (2009). «On radio source selection to define a stable celestial frame». Astronomy and Astrophysics. 493 (1): 317–323. Bibcode:2009A&A...493..317L. doi:10.1051/0004-6361:200810582.

Lambert, S. B.; Gontier, A.-M. (2009). «On radio source selection to define a stable celestial frame». Astronomy and Astrophysics. 493 (1): 317–323. Bibcode:2009A&A...493..317L. doi:10.1051/0004-6361:200810582.
Turland, B. D. (1975). «Observations of M87 at 5 GHz with the 5-km telescope». Monthly Notices of the Royal Astronomical Society. 170: 281–294. Bibcode:1975MNRAS.170..281T.