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101Article of journalPublished in 1982Repositorio Universidad Nacional de Colombia
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102Article of journalPublished in 1995Repositorio Universidad Nacional de Colombia
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103Article of journalPublished in 1975Repositorio Universidad Nacional de Colombia
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104Article of journalPublished in 1982Repositorio Universidad Nacional de Colombia
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105Article of journalPublished in 1987Repositorio Universidad Nacional de Colombia
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106Article of journalPublished in 1975Repositorio Universidad Nacional de Colombia
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107Article of journalPublished in 1985Repositorio Universidad Nacional de Colombia
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108Article of journalPublished in 1968Repositorio Universidad Nacional de Colombia
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109Article of journalPublished in 1972Repositorio Universidad Nacional de Colombia
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110Article of journalPublished in 1986Repositorio Universidad Nacional de Colombia
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111Article of journalPublished in 1970Repositorio Universidad Nacional de Colombia
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112Article of journalPublished in 1984Repositorio Universidad Nacional de Colombia
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113Article of journalPublished in 2001Repositorio Universidad Nacional de Colombia
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114Article of journalPublished in 1986Repositorio Universidad Nacional de Colombia
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115Article of journalPublished in 1978Repositorio Universidad Nacional de Colombia
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116Article of journalPublished in 1971Repositorio Universidad Nacional de Colombia
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117Article of journalPublished in 1995Repositorio Universidad Nacional de Colombia
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118Article of journalPublished in 1985Repositorio Universidad Nacional de Colombia
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119Article of journalPublished in 1999Repositorio Universidad Nacional de Colombia
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120Article of journalPublished in 1968Repositorio Universidad Nacional de Colombia
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