TY  - BOOK
AU  - Davis, Mackenzie L
AU  - Cornwell, David A
TI  - Introduction to environmental engineering
SN  - 9780070671171
U1  - 628 DAV 
PY  - 2009///
CY  - New Delhi
PB  - Tata McGraw Hill Education
KW  - Environmental engineering
KW  - Sanitary engineering
N1  - Includes index
ER  -