TY  - BOOK
ED  - Water Pollution Control Federation.
ED  - Water Pollution Control Federation.
TI  - Operation of wastewater treatment plants
T2  - Water pollution control federation manual of practice
SN  - 0943244129
AV  - TD746 W36 1976
PY  - 1976///
CY  - Washington, D.C.
PB  - Water Pollution Control Federation
KW  - Plantas depuradoras de agua
KW  - Aguas residuales
KW  - Purificación
ER  -