共 58 条
[2]
BAELUM J, 1966, AFDELINGEN FORSOG ME, P170
[3]
BEACOM S. E., 1959, CANADIAN JOUR ANIMAL SCI, V39, P71
[4]
BERTRAND JE, 1968, 683 WEST FLA EXP STA
[5]
BIRD HR, 1969, 1679 NAT AC SCIENC P, P31
[6]
BOWLAND JP, 1956, U ALBERTA PRESS B, V41, P12
[9]
BRAUDE R, 1953, ANTIBIOT CHEMOTHER, V3, P271
[10]
BRODY TM, 1954, ANTIBIOT CHEMOTHER, V4, P864