Charles Francis Richter (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Charles Francis Richter" in Spanish language version.

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2books.google.com

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1web.archive.org

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books.google.com

Hough, 2007, p. 10 Hough, Susan Elizabeth (2007). Richter's scale : measure of an earthquake, measure of a man. Princeton: Princeton University Press. ISBN 9780691128078.
Hough, 2007, pp. 164–168. Hough, Susan Elizabeth (2007). Richter's scale : measure of an earthquake, measure of a man. Princeton: Princeton University Press. ISBN 9780691128078.

caltech.edu

calteches.library.caltech.edu

Scheid, Ann (marzo de 1982). «Charles E Richter – How It Was». Engineering & Science.

findarticles.com

«Charles F. Richter». UXL newsmakers. 2005.
Laurence A. Marschall (February 2007). «Richter's Scale: Measure of an Earthquake, Measure of a Man». Natural History Magazine.

usgs.gov

neic.cr.usgs.gov

Spall, Henry (1980). «Charles F. Richter - An Interview». Archivado desde el original el 8 de marzo de 2012. Consultado el 24 de enero de 2019.

web.archive.org

Spall, Henry (1980). «Charles F. Richter - An Interview». Archivado desde el original el 8 de marzo de 2012. Consultado el 24 de enero de 2019.