000 00296nam a2200121Ia 4500
008 170101s1957 xx 000 0 und d
082 _a631.45 S67S
100 _aStalling, J.H.
245 0 _aSoil conservation
260 _aEnglewood Cliffs
_bPrentice-Hall
_c1957
300 _a575
942 _2ddc
_cB
999 _c3437
_d3437