共 10 条
[2]
DUNCAN IBR, IN PRESS
[3]
FERSTER CB, 1957, SCHEDULES REINFORCEM, P1
[4]
FRAPS RM, 1961, CONTROL OVULATION
[5]
MCFARLAND DJ, 1965, J COMP PHYSIOL PSYCH, V58, P174
[6]
MORRIS B. A., 1967, BRIT POULTRY SCI, V8, P251, DOI 10.1080/00071666708415676
[7]
NELSON DM, 1966, PHYSIOLOGY DOMESTIC
[8]
STROMINGER JL, 1947, YALE J BIOL MED, V19, P279
[9]
WARREN D. C, 1935, POULTRY SCI, V14, P195, DOI 10.3382/ps.0140195
[10]
WOODGUSH DG, 1969, WORLD POULTRY SCI J, V25, P145