共 5 条
[1]
Bracewell C. D., 1960, Veterinary Record, V72, P281
[2]
BRUNDRETT H. M., 1957, Agric. Chem., V12, P36
[3]
BRUNDRETT HM, 1957, AGRIC CHEMICALS, V12, P125
[4]
BRUNDRETT HM, 1957, AGRIC CHEMICALS, V12, P123
[5]
SWANSON LE, 1960, DOWN EARTH, V16, P18