TY  - SER
AU  - Konar,Sushil Kanta
TI  - Environment and ecology (1997) / 
U1  - 577.505 
PY  - 1997///
CY  - Kolkata : 
PB  - MKK Publication , 
KW  - ECOLOGY
N1  - Library has : V.15, no. 1-4,1997; NULL
ER  -