TY  - BOOK
AU  - Punmia B.C.
AU  - Jain K. Arun 
ED  - Jain Ashok K.
TI  - Wastewater engineering : Including air pollution 
SN  - 8170080916
AV  - TD 645 .P96 1988
PY  - 1988///
CY  - USA
PB  - Laxmi Publications Ltd.
N1  - Includes Index
ER  -