TY  - BOOK
AU  - Verma, Agarwal, 
TI  - Principles Of Ecology
U1  - 577 
PY  - 1900///
CY  - Kottayam
PB  - NATIONAL BOOKSTALL
KW  - General Stack
KW  - Ecology
KW  - Life sciences; biology
KW  - Natural sciences & mathematicsGeneralia
ER  -