000 00294nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631.4.004.4 G9
100 _a"Bennet, H.H."
245 _aSoil Conservation
260 _a1939
_bMcGraw Hill Book
_cNew York
300 _a993
942 _cBK
999 _c57155
_d57155