000 00245nam a2200085Ia 4500
001 MPKV111288
008 120911s9999 xx 000 0 und d
245 _aDairy Heard Management Vol. 23 No 1, 3-12
_c;
260 _aMinneapolis
_bMiller Publ. Co.
_c1986
999 _c74589
_d74589