TY  - BOOK
AU  - Debi, Aloka
TI  - Environmental science & engineering
SN  - 9788173716089
U1  - 628.03 21
PY  - 2008///
CY  - New Delhi
PB  - University Press
KW  - Environmental sciences
KW  - Encyclopedias
KW  - Environmental protection
N1  - Includes bibliographical references and index
ER  -