000 00315nam a2200109Ia 45e0
008 181001s1971 xx 000 0 und d
100 _aSchwab (4 Author )
245 0 _aElementary soil and water Engineering
260 _bJohn Wiley
_c1971
300 _a316
942 _2ddc
_cBK
999 _c2403
_d2403