000 00327nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a63:551.588+631.92(082.2) K7
100 _a"Brade, Nyle. C."
245 _aAgriculture & the Quality of our environment
260 _a1967
_bAAAS
_cWashington
300 _a460
942 _cBK
999 _c58660
_d58660