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1701Article of journalPublished in 1972Repositorio Universidad Nacional de Colombia
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1702Article of journalPublished in 1987Repositorio Universidad Nacional de Colombia
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1703Article of journalPublished in 1988Repositorio Universidad Nacional de Colombia
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1704Article of journalPublished in 1967Repositorio Universidad Nacional de Colombia
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1705Article of journalPublished in 1973Repositorio Universidad Nacional de Colombia
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1706Article of journalPublished in 1980Repositorio Universidad Nacional de Colombia
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1707Article of journalPublished in 1972Repositorio Universidad Nacional de Colombia
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1708Article of journalPublished in 1968Repositorio Universidad Nacional de Colombia
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1709Article of journalPublished in 1972Repositorio Universidad Nacional de Colombia
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1710Article of journalPublished in 2002Repositorio Universidad Nacional de Colombia
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1711Article of journalPublished in 1969Repositorio Universidad Nacional de Colombia
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1712Article of journalPublished in 1971Repositorio Universidad Nacional de Colombia
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1713Article of journalPublished in 1971Repositorio Universidad Nacional de Colombia
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1714Article of journalPublished in 1972Repositorio Universidad Nacional de Colombia
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1715Article of journalPublished in 1986Repositorio Universidad Nacional de Colombia
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1716Article of journalPublished in 1969Repositorio Universidad Nacional de Colombia
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1717Article of journalPublished in 1979Repositorio Universidad Nacional de Colombia
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1718Article of journalPublished in 1981Repositorio Universidad Nacional de Colombia
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1719Article of journalPublished in 1971Repositorio Universidad Nacional de Colombia
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1720Article of journalPublished in 1979Repositorio Universidad Nacional de Colombia
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