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صورة:Irving Langmuir.jpg


en:Irving Langmuir

Source: http://perso.wanadoo.fr/philippe.boeuf/robert/portraits/images/Langmuir.jpg

Possibly originally sourced from the Chemical Heritage Foundation: http://poohbah.cem.msu.edu/Portraits/images/langmuirc.jpg

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from en wiki 10:59, 28 May 2004 . . Magnum1

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