NGC 4638 (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 4638" in German language version.

refsWebsite
Global rank German rank
1,342nd place
799th place
887th place
744th place
5,388th place
1,327th place
low place
4,622nd place
low place
low place

caltech.edu

ned.ipac.caltech.edu

cseligman.com

docdb.net

  • Auke Slotegraaf: NGC 4638. Deep Sky Observer's Companion, abgerufen am 28. Januar 2015 (englisch).

seds.org

spider.seds.org

u-strasbg.fr

aladin.u-strasbg.fr

webviz.u-strasbg.fr