TY  - BOOK
ED  - EPA
TI  - Operation of Wastewater Treatment Plants: A Field Study Training Program 
PY  - 1990///
CY  - Sacramento, California
PB  - Hornet Foundation, Inc.
KW  - Environmental Engineering
N1  - Includes Index; vol. 1 ( 1990, 504 p.); vol. 2 ( 1989, 653 p.)
ER  -