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1681Article of journalPublished in 1990Repositorio Universidad Nacional de Colombia
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1682Article of journalPublished in 1979Repositorio Universidad Nacional de Colombia
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1683Article of journalPublished in 2000Repositorio Universidad Nacional de Colombia
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1684Article of journalPublished in 1994Repositorio Universidad Nacional de Colombia
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1685Article of journalPublished in 1973Repositorio Universidad Nacional de Colombia
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1686Article of journalPublished in 1973Repositorio Universidad Nacional de Colombia
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1687Article of journalPublished in 1979Repositorio Universidad Nacional de Colombia
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1688Article of journalPublished in 1973Repositorio Universidad Nacional de Colombia
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1689Article of journalPublished in 1970Repositorio Universidad Nacional de Colombia
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1690Article of journalPublished in 1972Repositorio Universidad Nacional de Colombia
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1691Article of journalPublished in 1985Repositorio Universidad Nacional de Colombia
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1692Article of journalPublished in 1980Repositorio Universidad Nacional de Colombia
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1693Article of journalPublished in 1991Repositorio Universidad Nacional de Colombia
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1694Article of journalPublished in 1975Repositorio Universidad Nacional de Colombia
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1695Article of journalPublished in 1984Repositorio Universidad Nacional de Colombia
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1696Article of journalPublished in 1969Repositorio Universidad Nacional de Colombia
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1697Article of journalPublished in 1989Repositorio Universidad Nacional de Colombia
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1698Article of journalPublished in 1985Repositorio Universidad Nacional de Colombia
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1699Article of journalPublished in 1976Repositorio Universidad Nacional de Colombia
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1700Article of journalPublished in 1981Repositorio Universidad Nacional de Colombia
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