TY  - BOOK
AU  - Davis, Mackenzie Leo
AU  - Cornwell, David A.
AU  - Chand,Raul J.
AU  - Krieg, Noel R.
TI  - Introduction to environmental engineering
SN  - 9780070671171
U1  - 628 
PY  - 2009///
CY  - New Delhi
PB  - Tata McGraw Hill 
N1  - Includes index
ER  -