00334nam a2200097Ia 4500008004100000082002000041100003000061245008200091260005500173300000800228140113s9999    xx            000 0 und d  a628.134(03)  L0  a"Todd, David. Keith, Ed."  aThe Water Encyclopedia : A compendium of useful information on water resource  a1970b"Water Information Centre, Inc."cWashington  a559