TY  - BOOK
AU  - Rao, Venugopala P.
TI  - Textbook of environmental engineering
SN  - 81-203-1930-3
U1  - 628 
PY  - 2004///
CY  - New Delhi
PB  - Prentice-Hall
KW  - Ecosystem
KW  - Env. science
KW  - Pollution control
N1  - Includes bibliographical references and index; Book Emporium
ER  -