Dubey, S. K. D. ,  (Dr.). <br/><br/>
A textbook of spherical trigonometry and spherical astronomy  [Book] / 
Dr. S. K. D. Dubey, Dr. H. D. Pande, Dr. B. D. Dwivedi. 
 - Delhi :  Swastik Publishers & Distributors,  2007. 
 - 310 p.  ;  22 cm. 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>9788190454612 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--Charts, diagrams, etc.<br/>Trigonometry.--Fundamentals.
<br/><br/><label>Dewey Class. No.: </label>516.242