000 00274nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aJohn A.Robertson & et.al
245 0 _aHydraulic Engineering
260 _bJaico
260 _c1993
365 _b900.00
942 _cBK
999 _c136808
_d136808