TY  - BOOK
AU  - Clark, John. W
AU  - Viessmen, Warren, Jr.
TI  - Water Supply and Pollution Control,
U1  - 628.1 
PY  - 1977///
CY  - New York
PB  - I.E.P
KW  - Pollution control
KW  - Pollution control industry
KW  - Pollution
N1  -  Binliog. at the End of Each Chapter
ER  -