共 10 条
[3]
DONALD H. P., 1963, ANIMAL PROD, V5, P87
[5]
GERLAUGH P, 1951, 703 OH AGR EXP STA R
[6]
KINCAID CM, 1962, 81 TEX AGR EXP STA S
[7]
KNAPP B, 1949, 810 USDA CIRC
[9]
SAUBIDET CL, 1963, 6 EST EXP AGR BALC B
[10]
SHAW AM, 1948, SCI AGR, V19, P177