TY  - BOOK
AU  - Purohit,S.S., Agrawal, Ashok
AU  - x
TI  - Ecology and environmental biology: x
SN  - 8188826073
U1  - 577/P985e 
PY  - 2007///
CY  - Jodhpur
PB  - Student edition
KW  - Environment
KW  - Ecology
N1  - Includes
ER  -