TY  - BOOK
AU  - PRASAD (Gorakh)
TI  - Textbook on spherical astronomy Ed 3
U1  - 520/143 
PY  - 1962///
CY  - Allahabad
PB  - Pothishala Pvt Ltd
KW  - Textbook
KW  - spherical
KW  - on
KW  - Ed
KW  - astronomy
KW  - 3
ER  -