Diferenzas entre revisións de «Zhang Heng»

Recuperando 2 fontes e etiquetando 0 como mortas.) #IABot (v2.0.8
(Recuperando 2 fontes e etiquetando 0 como mortas.) #IABot (v2.0.8)
(Recuperando 2 fontes e etiquetando 0 como mortas.) #IABot (v2.0.8)
 
=== Ligazóns externas ===
* [https://web.archive.org/web/20070203203308/http://www.chinaculture.org/gb/en_madeinchina/2005-08/18/content_71970.htm Zhang Heng at Chinaculture.org] {{en}}.
* [http://hua.umf.maine.edu/China/astronomy/tianpage/0012ZhangHeng6539w.html Zhang Heng at the University of Maine, USA] {{Webarchive|url=https://web.archive.org/web/20080708221654/http://hua.umf.maine.edu/China/astronomy/tianpage/0012ZhangHeng6539w.html |date=08 de xullo de 2008 }} {{en}}.
* [http://www-groups.dcs.st-and.ac.uk/~history/Biographies/Zhang_Heng.html Zhang Heng at the University of St Andrews, Scotland] {{en}}.
* [https://web.archive.org/web/20080602080333/http://earthquake.usgs.gov/learning/topics/seismology/history/part04.php The Early History of Seismology (to 1900)] {{en}}.
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