000 00291nam a2200121Ia 4500
008 170101s1962 xx 000 0 und d
082 _a631.4 C56S
100 _aCook, R.L.
245 0 _aSoil conservation and production
260 _aN.Y.
_bJohn Wiley
_c1962
300 _a527
942 _2ddc
_cB
999 _c9416
_d9416