共 28 条
[1]
ALMQUIST J. O., 1956, Plenary Pap. 3rd int. Congr. Anim. Reprod., P50
[3]
BOURKE M. E., 1967, AUST J EXP AGR ANIM HUSB, V7, P203, DOI 10.1071/EA9670203
[5]
EIBLEIBESFELDT I, 1967, EARLY BEHAVIOR COMP
[6]
GEIST V, 1971, MT SHEEP
[7]
GERALL ARNOLD A., 1963, ANIMAL BEHAVIOUR, V11, P274, DOI 10.1016/S0003-3472(63)80109-8
[9]
HARLOW HARRY F., 1966, J ANIM SCI, V25, P49