共 18 条
[1]
CARROLL WE, 1962, SWINE PRODUCTION
[5]
FALCONER DS, 1961, INTRODUCTION QUANTIT
[6]
HEADLEY VE, 1961, J ANIM SCI, V20, P311
[9]
PARK Y. L, 1963, JOUR ANIMAL SCI, V22, P1109
[10]
Pearson K., 1897, P R SOC LONDON, V60, P489