TY  - BOOK
AU  - Bhattacharjee, S. K. 
TI  - A Text Book of Spherical Astronomy
SN  - 9789848796870
U1  - 522.7 23
PY  - 2014///
CY  - Dhaka : 
PB  - Abosar, 
KW  - Spherical astronomy
ER  -