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58721Article of journalPublished in 1943Repositorio Universidad Nacional de Colombia
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58722Article of journalPor Poppel, HubertPublished in 2003Repositorio Universidad Nacional de Colombia
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58723Article of journalPublished in 1990Repositorio Universidad Nacional de Colombia
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58724Article of journalPublished in 2014Repositorio Universidad Nacional de Colombia
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58725Article of journalPor Fuchs, Hans P.Published in 1960Repositorio Universidad Nacional de Colombia
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58726Article of journalPublished in 2010Repositorio Universidad Nacional de Colombia
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58727
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58728
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58729
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58730Article of journalPublished in 2006Repositorio Universidad Nacional de Colombia
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58731
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58732
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58733
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58734Article of journalPublished in 2008Repositorio Universidad Nacional de Colombia
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58735Article of journalPor Oliveros Tascón, Carlos Eugenio; Ramírez Gómez, Cesar Augusto; Acosta Acosta, Ricardo; Álvarez Mejía, FernandoPublished in 2005Repositorio Universidad Nacional de Colombia
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58736Trabajo de grado de pregradoPublished in 2010Repositorio Universidad Nacional de Colombia
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58737
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58738Article of journalPublished in 1948Repositorio Universidad Nacional de Colombia
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58739Article of journalPublished in 2001Repositorio Universidad Nacional de Colombia
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58740Article of journalPublished in 2002Repositorio Universidad Nacional de Colombia
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