TY  - GEN
AU  - Rao, Narayan 
AU  - Datta, A.K.
TI  - Waste water treatment 
SN  - 9788120417120 (pb)
U1  - 628.162 RAO-DAT  
PY  - 2020///
CY  - New delhi
PB  - CBS Publishers & Distributors
N1  - Include appendix subject index
ER  -