000 00299nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Scwap, O. & et.al"
245 0 _aSoil and Water Conservation Engineering
260 _bJohn Wiley & Sons
260 _c1993
365 _b338.64
942 _cBK
999 _c136582
_d136582