TY  - BOOK
AU  - Mackenzie  L Davis
TI  - Introduction to Environmental engineering
SN  - 9780071259224
U1  - 628 
PY  - 2008///
CY  - New York
PB  - Mcgrow hill international education
KW  - Environmental engineering
KW  - Hydrology
KW  - Air pollution
ER  -