000 00455 a2200169 4500
003 ISURu
020 _a089867199X
041 _aeng
082 _a628.161
_bINT
090 _d153646
245 _aIntroduction to water quality analyses
_bprinciples and practices of water supply operations
260 _aColorado
_bAmerican Water Works Association
_c1979
_g1979
300 _avii,155p.
_bill.
650 _aENGINEERING
942 _cL
999 _c121480
_d153646
945 _dMain Library ADMIN
_c26318