000 00289nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631.4.004 L1
100 _a"Hudson, N."
245 _aSoil Conservation
260 _a1971
_bB.T.Batsforn Ltd.
_cLondon
300 _a320
942 _cBK
999 _c57689
_d57689