by Villalobos Arambula, V.M, Escobar A, M.A
Published in Estudio FAO: Produccion y Proteccion Vegetal (FAO) (1990)

by Escobar A, M.A
Published in Informes de Conferencias, Cursos y Reuniones (IICA) (1978)

by Escobar A M.A
Published in Informes de Conferencias, Cursos y Reuniones (1978)

by Villalobos Arambula, V.M, Escobar A, M.A
Published in Etude FAO: Production Vegetale et Protection des Plantes (FAO) (1992)

by Villalobos Arambula V.M, Escobar A M.A
Published in Etude FAO: Production Vegetale et Protection des Plantes (FAO). no. 105 (1992)