共 28 条
[1]
ABOULELA M, 1980, THESIS U ABERDEEN
[5]
FIELDS MJ, 1975, J ANIM SCI, V41, P352
[8]
GORBUNOV VL, 1974, ZHIVOTNOVODSTVO, V7, P61
[9]
HEARNSHAW H, 1976, P S EVALUATION PRACT, P64