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1Article of journalPublished in 2016Repositorio Universidad Nacional de Colombia
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2Article of journalPor Mejía Medina, Julián; Rincón Ruiz, Juan; Gutiérrez Vergara, Cristian; Correa Londoño, Guillermo; López Herrera, Albeiro; Parra Suescún, JaimePublished in 2012Repositorio Universidad Nacional de Colombia
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