NGC 687 (Croatian Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 687" in Croatian language version.

refsWebsite

Global rank Croatian rank

1ngcicproject.org

low place

115^th place

18^th place

130^th place

5^th place

8^th place

low place

5,318^th place

cseligman.com

New General Catalog Objects: NGC 650 - 699. cseligman.com (engleski). Pristupljeno 14. studenoga 2018.

harvard.edu

ui.adsabs.harvard.edu

M., Garcia, A. Srpanj 1993. General study of group membership. II - Determination of nearby groups. Astronomy and Astrophysics Supplement Series (engleski). 100: 47. Bibcode:1993A&AS..100...47G. ISSN 0365-0138

ngcicproject.org

The Historically Corrected New General Catalogue @ NGC/IC Project

worldcat.org

M., Garcia, A. Srpanj 1993. General study of group membership. II - Determination of nearby groups. Astronomy and Astrophysics Supplement Series (engleski). 100: 47. Bibcode:1993A&AS..100...47G. ISSN 0365-0138