-
1http://purl.org/coar/resource_type/c_0640Published in 1999Repositorio Repositorio UNAB
-
2http://purl.org/coar/resource_type/c_0640Published in 1990Repositorio Repositorio UNAB
-
3http://purl.org/coar/resource_type/c_0640Published in 1990Repositorio Repositorio UNAB
-
4http://purl.org/coar/resource_type/c_0640Por Dietes Luna, Martha Yolanda; Obando León, Néstor Raúl; Theodore, John D.; Sandoval, José Luis; Kunket, Paul; Vega Fonseca, José Alfredo; Zárate Ortega, Manuel E.; Gómez, WilsonPublished in 1999Repositorio Repositorio UNAB