T. H. E. C. Espin (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "T. H. E. C. Espin" in English language version.

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archive.org

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harvard.edu

ui.adsabs.harvard.edu

articles.adsabs.harvard.edu

shasurvey.wordpress.com

springerreference.com

  • Hockey, Thomas (2009). The Biographical Encyclopedia of Astronomers. Springer Publishing. ISBN 978-0-387-31022-0. Retrieved 22 August 2012.