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56621Article of journalPublished in 2004Repositorio Universidad Nacional de Colombia
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56622Article of journalPublished in 2012Repositorio Universidad Nacional de Colombia
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56623Article of journalPublished in 2009Repositorio Universidad Nacional de Colombia
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56624Article of journalPublished in 2001Repositorio Universidad Nacional de Colombia
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56625Article of journalPublished in 2013Repositorio Universidad Nacional de Colombia
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56626
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56627
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56628Work documentPublished in 1971Repositorio Universidad Nacional de Colombia
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56629Article of journalPublished in 2014Repositorio Universidad Nacional de Colombia
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56630
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56631
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56632Article of journalPublished in 2005Repositorio Universidad Nacional de Colombia
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56633http://purl.org/coar/resource_type/c_c94fPublished in 2009Repositorio Universidad Nacional de Colombia
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56634Article of journalPublished in 2005Repositorio Universidad Nacional de Colombia
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56635Article of journalPor , ANONIMOPublished in 2005Repositorio Universidad Nacional de Colombia
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56636Article of journalPublished in 2012Repositorio Universidad Nacional de Colombia
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56637Article of journalPublished in 2010Repositorio Universidad Nacional de Colombia
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56638Article of journalPublished in 1983Repositorio Universidad Nacional de Colombia
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56639
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56640Article of journalPublished in 2008Repositorio Universidad Nacional de Colombia
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