TY  - BOOK
AU  - Chanlett, Emil T
TI  - Environmental production
SN  - 0-07-010520-0
U1  - 614.7 21st
PY  - 1973///
CY  - New York
PB  - McGraw-Hill
KW  - Environmental engineering; Environmental health; Sanitation; Water pollution-Prevention and control
ER  -