No. 11 (1990)
Published: 1990-04-28
Scientific articles
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Jairo Enrique Rodríguez Hernández
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35-371990-04-27José A. Meza S.
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48-661990-04-27Feres Sahid C., Fabiola Pinzón H.
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67-741990-04-27Carlos Alberto O'byrne Delgado
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38-471990-04-27Henry Carmona Velez
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75-781990-04-27Melba Cecilia Serrano Gómez
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13-201990-04-27Luis Miguel Cabrera G.
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27-341990-04-27Orlando Salinas Gómez, Julio Alberto Rodríguez P.