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Jugando con la luz Ciencia Fotografía Óptica Fotometría 2009-10-13T09:33:21Z 2009-10-13T09:33:21Z 2009-10-13T09:33:21Z 1966-08-27 info:eu-repo/semantics/article info:eu-repo/semantics/article Triunfo. Año XXI, n. 221 (27 ag. 1966),p. 26-31 http://hdl.handle.net/10366/55152 spa Adobe Acrobat https://creativecommons.org/licenses/by-nc-nd/3.0/ info:eu-repo/semantics/openAccess Attribution-NonCommercial-NoDerivs 3.0 Unported