00406 2200145 4500001002100000008004100021035002000062245003200082260006200114300002300176084001900199082001100218650001700229990001400246INLIS000000000054363 eng  a0010-0617013255 aRural water supply in China bInternational Development Research Research Centre,c1981 a92 p.:ill.c24 cm. a628.72 Rur r 1 a628.72 aWater supply a086585112