TY  - BOOK
AU  - Tiwari, S.C.
TI  - Concepts of modern ecology
SN  - 8121101395
U1  - 577 
PY  - 2005///
CY  - Dehradun: 
PB  - Bishen Singh Mahendrapal Singh, 
KW  - Ecology
KW  - Ecosystems
KW  - Environment
KW  - Life science
ER  -