TY  - BOOK
AU  - Coutts,H.J.
AU  - Christianson,C.D.
ED  - United States.
TI  - Extended aeration sewage treatment in cold climates
U1  - 363.7284 
PY  - 1974///
CY  - Washington, D.C.
PB  - United States Environmental Protection Agency
KW  - Sewage
KW  - Pollution
N1  - EPA-660/2-74-070; Includes bibliographical references
ER  -