NGC 1987 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 1987" in English language version.

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books.google.com

  • Zinnecker, H.; Ferraro, F.; Fusi Pecci, F.; Renzini, Alvio; Buonanno, R.; Corsi, C.E.; Turndrup, D.M. (1991-02-28). "Infrared Imaging of Intermediate Age LMC/SMC Clusters". In Haynes, Raymond; Milne, Douglas (eds.). The Magellanic Clouds: Proceedings of the 148th Symposium of the International Astronomical Union, held in Sydney, Australia, July 9–13, 1990. New York: Springer Science & Business Media. pp. 228–30. ISBN 9780792311102.

cseligman.com

seds.org

spider.seds.org

  • "Object: NGC 1987 (*)". SEDS. Retrieved 28 October 2017.
  • "NGC 1987". SEDS. Retrieved 28 October 2017.

u-strasbg.fr

simbad.u-strasbg.fr