TY  - BOOK
AU  - Sundaresan B. B. Ed.
TI  - Proceedings :  Workshop on research and development
U1  - "X9(D28).2.N91<---N81, M0" 
PY  - 1980///
CY  - Nagpur
PB  - National Environmental Engineering Research Institute India  
KW  - Water Supply Industry
ER  -