TY  - BOOK
AU  - CHAWALA P S;
TI  - RECENT STUDIES AND RESEARCH IN ENVIRONMENT  SCIENCE
SN  - 978-81-89979-65-2
U1  - 333.7 
PY  - 2008///
CY  - NEWDELHI
PB  - PEARL BOOKS
KW  - "ENVIRONMENT,ENVIRONMENTAL SCIENCE"
N1  - 24
ER  -