TY  - BOOK
AU  - 
AU  - 
TI  - Clarifier design : WEF manual of practice no.FD-8
SN  - 9780071464161
U1  - 628.39 
PY  - 2006///
CY  - New York
PB  - McGraw Hill
KW  - Sewage disposal
N1  -  Water Environment Federation (WEF)
ER  -