TY  - BOOK
AU  - Varma, 
TI  - Principles Of Ecology
U1  - 577 
PY  - 1900///
CY  - Kottayam
PB  - NATIONAL BOOKSTALL
KW  - General Stack
KW  - Life Sciences
KW  - Biology
KW  - EcologyBotany
ER  -