共 41 条
[4]
BALCH CC, 1969, HDB TIERERNAHRUNG, V1, P554
[5]
BALDWIN R L, 1977, Agricultural Systems, V2, P255, DOI 10.1016/0308-521X(77)90020-8
[6]
Baumgardt BR, 1970, PHYSL DIGESTION META, P235
[9]
Campling R.C., 1970, PHYSL DIGESTION META, P226