TY  - BOOK
ED  - Water Environment Federation
TI  - Operation of municipal wastewater treatement plants
T2  - WEF manual of practice
SN  - 9780071543675
U1  - 628.3 
PY  - 2008///
CY  - New York
PB  - WEF ; McGraw Hill
KW  - Agua
KW  - Purificacion
KW  - Aguas residuales
N1  - v.1 Management and support systems -- v.2 Liquid processes -- v.3 Solids processes
ER  -