TY  - BOOK
AU  - Rai, Priyada Ranjan .
TI  - Bijnan O Biswajagat
U1  - 509 
PY  - 0000///Nd
CY  - Calcutta
PB  - Biswabharati Granthalai
KW  - Science and World
KW  - G-Mathematics
ER  -