Cúmul de Ptolemeu (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Cúmul de Ptolemeu" in Catalan language version.

refsWebsite
Global rank Catalan rank
43rd place
170th place
2nd place
6th place
5,388th place
2,542nd place
1,849th place
2nd place

doi.org

dx.doi.org

google.cat

books.google.cat

seds.org

messier.seds.org

wikidata.org