00363nam a22001097a 4500008004100000040005500041080002200096245006200118260004800180300001400228650001100242230622b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a628.1/.4(100)bP0  aGlobal water supply and sanitation assessment 2000 report  aGeneva: bWorld Health Organisation, c2000  avii, 80p.  aReport