00277nam a2200109Ia 450000500170000000800410001708200150005810000160007324500320008926000380012130000080015920260224041043.0260224s9999||||xx |||||||||||||| ||und||  a333.91 MAY  aMays, L.W.  0aWater resources engineering  aNew York: John Wiley & Sonsc2001  a761