Ingrid van Houten-Groeneveld (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ingrid van Houten-Groeneveld" in Simple English language version.

refsWebsite

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1web.archive.org

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1books.google.com

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astronomie.nl

(in Dutch) Leidse sterrenkundige Ingrid van Houten overleden (21 oktober 1921-30 maart 2015), Astronomie.nl, 2015. Retrieved on 31 March 2015.

books.google.com

Saiber, Arielle (2005). Giordano Bruno and the Geometry of Language. Ashgate. ISBN 978-0-7546-3321-1. Retrieved 2010-12-03.

seti.org

"SETI Institute - Long-Lost, Dangerous Asteroid Is Found Again". Seti.org. 2007-10-04. Archived from the original on 2011-06-15. Retrieved 2010-12-03.

web.archive.org

"SETI Institute - Long-Lost, Dangerous Asteroid Is Found Again". Seti.org. 2007-10-04. Archived from the original on 2011-06-15. Retrieved 2010-12-03.