00381pab a2200121 454500008004000000100002500040245011000065260000900175300001400184362000800198650002300206773003000229180718b2004   xxu||||| |||| 00| 0 eng d  aCampbell, Heather E.  aPrices, devices, people, or rules: the relative effectiveness of policy instruments in water conservation  c2004  ap.636-62.  aSep  aWater conservation  aReview of Policy Research