Text-book on spherical astronomy
522.702
G661T,4 Gorakh Prasad
Text-book on spherical astronomy
-- Allahabad : Pothishala , 1965
72282 269p.:ill.
Astronomy
Sphrical and practical-Textbook
G661T,4 Gorakh Prasad
Text-book on spherical astronomy
-- Allahabad : Pothishala , 1965
72282 269p.:ill.
Astronomy
Sphrical and practical-Textbook