Harlow Shapley (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Harlow Shapley" in Catalan language version.

refsWebsite

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fi.edu

«The Franklin Institute. The Case Files: Harlow Shapley». [Consulta: 7 octubre 2007].^{[Enllaç no actiu]}

harvard.edu

adsabs.harvard.edu

Shapley, H. «On the Nature and Cause of Cepheid Variation». Astrophysical Journal, 40, 1914, pàg. 448.
Shapley, H. «Globular Clusters and the Structure of the Galactic System». Publications of the Astronomical Society of the Pacific, 30, 1918, pàg. 42.

nasa.gov

antwrp.gsfc.nasa.gov

«H. Shapley, 1885 November 2 - 1972 October 20.». Nature, 240, 1972, pàg. 430-429.