00467nam a2200169Ia 4500008004100000020001500041082001600056100002700072245003900099250000600138260004100144300000800185650003800193650003400231653001200265653002000277170901s1989    xx            000 0 und d  a0071002065  a628.3bE21I  aEckenfelder, W. Wesley 0aIndustrial Water Pollution Control  a2  aNew YorkbMcGraw-Hill Book Co.c1989  a400  aEngineering and allied operations  aTechnology (Applied sciences)  aControl  aWater pollution