00302pab a2200121 454500008004000000100002300040245004700063260000900110300001000119362000900129650001700138773002500155180718b1987   xxu||||| |||| 00| 0 eng d  aHobbs, Benjamin F.  aReliability analysis of urban water supply  c1987  a38-42  aApr.  aWater Supply  aNational Development