TY  - BOOK
AU  - De,Debapriya
AU  - De,Debasish
TI  - Fundamentals of environment and ecology / 
SN  - 9788121932424:
U1  - 577 23
PY  - 2010///
CY  - New Delhi : 
PB  - S Chand & Company , 
KW  - ENVIRONMENT
KW  - ECOLOGY
ER  -