000 00303nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
245 _aLow cost dairying
260 _aLondon
260 _c1969
300 _a56 p.
440 _aNo. 199; Great Britain Ministr
901 _pS18198
942 _cB
_2udc
999 _c126886
_d126886