TY  - BOOK
AU  - Rao,Venugopala P.
TI  - Principles of environmental science and engineering
SN  - 8120328938
AV  - TD170 .J67 1989X
PY  - 2006///
CY  - New York
PB  - PHI Learning Private Limited
KW  - Environmental protection
KW  - Environmental engineering
KW  - Human ecology
KW  - Pollution
N1  - Includes index
ER  -