000 00290nam a2200121Ia 4500
008 161118s2016 xx 000 0 und d
082 _a631.45 G8C6
100 _aGustafson, A.F.
245 0 _aConservation of Soil.
260 _aNew York.
_bMcGraw-Hill.
_c1937
300 _a312p.
942 _2ddc
999 _c178
_d178