by Lopez Gorostiaga O, Fatecha A
Year of Publication 1979

by Vera Garcia R, Lopez Gorostiaga O
Published in Publicacion Tecnica - Instituto Nacional de Tecnologia y Normalizacion (Paraguay). no. 4 (1978)

by Lopez Gorostiaga O
Published in Informes de Conferencias (1975)

by Lopez Gorostiaga, O, Fatecha, A
Year of Publication 1979

by Diaz Zarate J.E, Lopez Gorostiaga O
Published in Revista Tecnica Instituto Nacional de Tecnologia y Normalizacion (1979)

by Lopez Gorostiaga, O. (Instituto Agronomico Nacional, Caacupe, La Cordillera (Paraguay))
Published in Informes de Conferencias, Cursos y Reuniones (IICA) (1975)