000 00306nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631.4:626.8
_bSCH
100 _aSchwab, G O
245 0 _aElementary soil and water engineering
250 _aEd.2
260 _aNew York
_bJohn Wiley
_c1971
942 _cBK
999 _c30601
_d30601