TY  - BOOK
AU  - Dasgupta, Amal .
TI  - Mahakasher Thikana
U1  - 523 
PY  - 0000///Nd
CY  - Calcutta
PB  - Natun Sahitya Bhavan
KW  - Astronomy
KW  - Space
KW  - G-Mathematics
ER  -