TY  - BOOK
AU  - PUNMIA B. C.
TI  - ENVIRONMENTAL ENGINEERING - II WASTE WATER ENGINEERING, : INCLUDING AIR POLLUTION
U1  - 628.1 
PY  - 2014///
PB  - LAXMI PUBL.LTD
KW  - CIVIL
N1  - SE/SI/2094
ER  -