NGC 1931 (Greek Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 1931" in Greek language version.

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1web.archive.org

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doi.org

dx.doi.org

A.K. Pandey; H.S. Mahra (1986). «Photometry of Open Cluster NGC 1931». Astrophysics and Space Science 120 (1): 107–113. doi:10.1007/BF00653902. Bibcode: 1986Ap&SS.120..107P.

harvard.edu

adsabs.harvard.edu

A.K. Pandey; H.S. Mahra (1986). «Photometry of Open Cluster NGC 1931». Astrophysics and Space Science 120 (1): 107–113. doi:10.1007/BF00653902. Bibcode: 1986Ap&SS.120..107P.

seds.org

NGC 1931 @ SEDS NGC objects pages Αρχειοθετήθηκε 2008-05-01 στο Wayback Machine.

web.archive.org

NGC 1931 @ SEDS NGC objects pages Αρχειοθετήθηκε 2008-05-01 στο Wayback Machine.