共 114 条
[61]
Nehring K., 1972, LEHRBUCH TIERERNAHRU
[62]
NEHRING K, 1969, EAAP PUBL, V12, P41
[63]
NEHRING K, 1971, FUTTERMITTELTABELLEN
[66]
OSINSKA Z, 1980, Z TIERPHYSIOL TIERER, V43, P138
[67]
PIGDEN WJ, 1980, 1979 P WORKSH OTT, P7
[68]
POOS MI, 1977, J DAIRY SCI, V60, P156