TY  - GEN
AU  - Kumar , H.D.
TI  - Modern concept of ecology
SN  - 0706986768
U1  - 577 
PY  - 1995///
CY  - New Delhi
PB  - Vikas Publishing House
KW  - AIR POLUTION
KW  - ECOLOGY
KW  - WATER POLUTION
KW  - BIODIVERSITY
KW  - BIOLOGY
ER  -