-
1by Lichtenberger, Egon, Ospina Machado, Julio E., Báez, Elizabeth de, Villafañe Arévalo, Fernando
Published 1980article bibliotecaAGROSAVIA -
2by Villafañe Arévalo, Fernando, Orrego Uribe, Alberto, González Garzón, Guillermo, Puerta, L .Ramiro, Báez, Elizabeth de
Published 1978paper bibliotecaAGROSAVIA