000 00287nam a2200109Ia 4500
008 170101s1987 xx 000 0 und d
082 _a636.214 ETG
100 _aEtgen, W
245 0 _aDairy Cattle .feeding & management
260 _aNew York
_bJohnwiley & sons
_c1987
942 _2ddc
_cRS
999 _c401031
_d401031