共 9 条
[1]
BAUDITZ R, 1972, VETERINARY MEDICAL R, V3, P204
[2]
ERIKSEN E, 1970, NORD VET MED, V22, P385
[3]
JONES DM, 1972, VET ANN, P320
[4]
LOWE VPW, 1972, J ZOOL, V166, P303
[5]
Mayr E, 1963, ANIMAL SPECIES EVOLU
[6]
MULLING M, 1971, VET MED NACHR, V1, P73
[7]
RATTI P, 1972, VET MED REV, V3, P226
[8]
Short R. V., 1964, Veterinary Record, V76, P628
[9]
[No title captured]