NGC 1993 (Basque Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 1993" in Basque language version.

Last modified: 18:39:12, 14 September 2020 (UTC)

Ref.Un. Ref.Website

Global rank Basque rank

942^nd place

23^rd place

11cseligman.com

1,720^th place

22^nd place

cseligman.com (Global: 1,720^th place; Basque: 22^nd place)

«New General Catalog (NGC) 1993» cseligman.com (kontsulta data: 2019-12-27).

seds.org (Global: 942^nd place; Basque: 23^rd place)

spider.seds.org

«NGC 1993» spider.seds.org (kontsulta data: 2019-12-28).