TY  - BOOK
AU  - Kumar, H.D
TI  - Modern concepts of ecology
SN  - 0706986768
AV  -    
U1  - 574.5 
PY  - 1994///
CY  - New Delhi
PB  - Vikas Publishing House
KW  - Ecology
KW  - Ecosystems
KW  - Environment
KW  - Pollution
N1  - Also 8th ed
ER  -