TY  - BOOK
AU  - Punmia, B C  ,
AU  - Jain,  Arun  Kumar,
AU  - Jain,  Asok  Kumar,1
TI  - Wastewater Engineering : : Including Air pollution / 
U1  - 628.43 
PY  - 2009///
CY  - New Delhi
PB  - Laxmi Publication
KW  - Engineering
KW  - Environmental Engineering
KW  - Wastewater Engineering
KW  - Air  polution
ER  -