000			00375nam a2200133Ia 45e0
008			180110s1986 xx 000 0 und d
020			_a470206713
082			_a631.45
100			_aMorgan, R.P.C.
245		0	_aSoil Erosion & Conservation
260			_aNew York, _bJohn willey & sons compay _c1986
300			_aix,298p; 2
942			_2ddc _cBK _02
999			_c2528 _d2528