| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
| Boisbaudran, Paul Émile Lecoq de |
(pôl  m l´ l kôk´ d bwäb dräN´) (KEY) , 1838–1912, French discoverer of the elements gallium, samarium, and dysprosium. He also made contributions in the field of spectroscopy, including his experimentation with the rare-earth metals. |
| The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
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