000 00278nam a2200121Ia 4500
008 170101s1981 xx 000 0 und d
082 _a631.5 BOO
100 _aBoone Lester V.
245 0 _aProducing Farm Crops, 1981
260 _c1981
300 _a303 p.
942 _2ddc
_cB
999 _c759316
_d759316