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Messier 18 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Messier 18" in Polish language version.

refsWebsite
Global rank Polish rank
1seds.org
5,388th place
2,254th place

seds.org

messier.seds.org

  • Hartmut Frommert, Christine Kronberg: Messier 18. [w:] The Messier Catalog [on-line]. Students for the Exploration and Development of Space (SEDS), 2007-08-21. [dostęp 2015-11-09]. (ang.).