00465cam a2200145ua 4500041001000000082002000010100002800030245009400058250001200152260004600164300001200210440004600222490004600268504000500314  aengh  a628.354bGAN/AC  aGanczarczyk, Jeszy J  .  aActivated sludge process: Theory and practice / cJeszy J Ganczarczyk.hTextual Documents  a1 / b.  aNew York : bMarcel Dekker Inc. , c1983.  a270 ; .0 aPollution engineering Technology, v23x;0 aPollution engineering Technology, v23x;  a