TY  - BOOK
AU  - RAY M./HOD MATHEMATICS AGRA COLLEGE AGRA.
AU  - RAY M./HOD MATHEMATICS AGRA COLLEGE AGRA.
TI  - SPHERICAL TRIGONOMETRY AND SPHERICAL ASTRONOMY
PB  - BANWARI LAL JAIN Moti Katra Agra.
KW  - RAY M./HOD MATHEMATICS AGRA COLLEGE AGRA.
KW  - SPHERICAL TRIGONOMETRY AND SPHERICAL ASTRONOMY
ER  -