共 4 条
[1]
LARGE R. V., 1959, Journal of Agricultural Science, V53, P102, DOI 10.1017/S002185960003094X
[2]
LEIPER J. W. G., 1951, VET REC, V63, P885
[3]
NUNNS VJ, 1965, VET REC, V77, P328
[4]
Parfitt J. W., 1955, Laboratory Practice London, V4, P15