TY  - BOOK
AU  - Das Debajyoti
AU  - Adhikari Simananda
AU  - Roy Parimal
AU  - Sinha Arup Kumar
TI  - Biological sciences
U1  - 570 
PY  - 1988///
CY  - Calcutta
PB  - Central Educational Enterprises
KW  - Biological sciences
ER  -