000 00282nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aJohnson DT
245 0 _aBusiness of Farming
260 _bELBS
260 _c1990
365 _b230.47
650 _aAgronomy
942 _cBK
999 _c241739
_d241740