TY  - BOOK
AU  - Sharma,S.K.
AU  - Gupta,R.K.
AU  - Dhirendra Kumar
TI  - Spherical astronomy
SN  - 8182830442 : (pbk)
U1  - 522.7 22
PY  - 2011///
CY  - Meerut
PB  - Krishna Prakashan
KW  - Spherical astronomy
ER  -