000 00317nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
245 _aHygiene in milk production
260 _aLondon
260 _c1961
300 _a0.666666667
440 _aGreat Britain Ministry of Agri
901 _pS2395
942 _cB
_2udc
999 _c124968
_d124968