共 7 条
[1]
BISHOPP FC, 1927, US DEP AGR B, V1369
[2]
McGREGOR w. s., 1955, AGRIC CHEMICALS, V10, P34
[5]
MCGREGOR WS, 1955, AGR CHEM, V10, P123
[7]
SMITH HR, 1948, 1948 NATL LIV LOSS P, P28