000 00351nam a22001337a 4500
082 _a628.13
_bHER
245 _aWater conservation
260 _aAmerica
_bAmerican society of civil engineers
_c1979
300 _a268P.
650 _aEcnomics of water conservation
_9942
700 _aSonnen Michael B
_9943
700 _aThompson Philip L
_9944
942 _cBK
999 _c242497
_d242497