00454nam a2200145Ia 4500008004100000020001500041082001500056100001900071245006500090260004700155300000800202650003800210650003400248653002600282170901s1985    xx            000 0 und d  a0030624495  a628.3bQ1W  aQasim, Syed R. 0aWasterwater treatment plantsbPlanning, Design and Operation  aNew YorkbHolt, Rinehart and Winstonc1985  a726  aEngineering and allied operations  aTechnology (Applied sciences)  aWaste water treatment