https://hal.archives-ouvertes.fr/jpa-00204277
Contributor : Archives Journal de Physique
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Submitted on : Saturday, January 1, 1921 - 8:00:00 AM
Last modification on : Saturday, January 1, 1921 - 8:00:00 AM
Document(s) archivé(s) le : Tuesday, April 13, 2010 - 5:13:28 PM
