TY  - BOOK
ED  - Water Pollution Control Federation.
TI  - Plant maintenance program
T2  - Water Pollution Control Federation. Manual of practice
SN  - 0943244382
AV  - TD745 W3695
PY  - 1982///
CY  - Washington, D.C.
PB  - Water Pollution Control Federation
KW  - Aguas residuales
KW  - Purificación
ER  -