000 00381nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
100 _aCampbell, F.J.
245 _aEffects of different levels of slowly available fertilizer and artificial media
260 _aMassachusetts
260 _c1963
440 _aNo. 541; Massachusetts, Agricu
901 _pS15387
942 _cB
_2udc
999 _c121140
_d121140