000 00285nam a2200133Ia 4500
008 161121s9999 xx 000 0 und d
100 _aJUERGENSON (EM)
245 0 _aApproved practices in dairying
260 _cNIL
365 _b0
650 _aNIL
652 _a#N/A
942 _cBK
999 _c51103
_d51103