共 19 条
[1]
ADAMS A. N., 1967, RHODESIA ZAMBIA MALAWI J AGR RES, V5, P145
[5]
HANSFORD CG, 1936, 1934 UG DEP AGR ANN, P74
[6]
HARGREAVES E, 1937, 1936 DEP AGR SIERR L
[7]
HAYES T. R., 1932, TROP AGRIC [TRINIDAD], V9, P211
[9]
KASSANIS B, 1963, Adv Virus Res, V10, P219
[10]
KULKARNI HY, 1966, 1965 EAST AFR AGR FO