共 9 条
[1]
AVITAL E, 1956, ENTERPRISE MONTHLY I, V4, P5
[2]
BURROWS W. H., 1935, Poultry Science, V14, P254, DOI 10.3382/ps.0140251
[3]
Burrows W.H., 1935, POULTRY SCI, p[14, 253]
[4]
BURROWS WH, 1939, 525 US DEP AGR CIRC
[5]
COOPER D. M., 1955, Veterinary Record, V67, P331
[8]
THUMIN A, 1951, 9 P WORLD POULT C, V3, P154
[9]
WHEELER RS, 1948, POULTRY SCI, V26, P523