TY  - BOOK
AU  - Eckenfelder,W.W.
AU  - O'Connor,D.J.
TI  - Biological waste treatment
U1  - 628.354 
PY  - 1961///
CY  - Oxford
PB  - Pergamon Press
KW  - Sewage disposal
KW  - Sewage
KW  - Purification
KW  - Biological treatment
KW  - Sewarage
KW  - Water
N1  - Includes bibliographical references index
ER  -