NGC 9 (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 9" in Czech language version.

Last modified: 05:12:31, 24 May 2023 (UTC)

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doi.org (Global: 2^nd place; Czech: 4^th place)

Ute Lisenfeld: The AMIGA project. I. Optical characterization of the CIG catalog. In: Astronomy and Astrophysics. 2005. DOI 10.1051/0004-6361:20042280.
Thomas H. Jarrett, John M. Carpenter, John E. Gizis, Carol Lonsdaleová, John Huchra, Thomas Jay Chester, David G. Monet: The Two Micron All Sky Survey (2MASS). In: The Astronomical Journal. únor 2006. DOI 10.1086/498708.