Lecoq_de_Boisbaudran.jpg
Description Lecoq de Boisbaudran.jpg | François Lecoq de Boisbaudran, discoverer of gallium , samarium , and dysprosium (died 28 May 1912) | |||||
Date | Before 28 May 1912 | |||||
Source | [1] | |||||
Author | Unknown author Unknown author | |||||
Permission
( Reusing this file ) |
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