by Schapovaloff A, Bogado B, Ruiz Diaz F
Published in Boletin de Investigacion (Paraguay). no. 30 (1991)

by 丹羽, 勝, A, SCHAPOVALOFF A., S.F, BOGADO B.
Published in Ikushugaku zasshi (01.12.1983)

by Niwa, M. (Tokyo Univ. (Japan). Faculty of Agriculture), Schapovaloff, A.A, Bogado, B.S.F
Published in Ikushugaku zasshi (01.12.1983)

by Schapovaloff A
Published in Dialogo - Programa Cooperativo para el Desarrollo Tecnologico Agropecuario del Cono Sur (IICA). no. 31 (1991)

by Schapovaloff, A, Bogado, B, Ruiz Diaz, F. (Direccion de Investigacion Agropecuaria, Asuncion (Paraguay))
Published in Boletin de Investigacion (Paraguay) (1991)