Sharma, S K, et al. <br/><br/>
Spherical astronomy 

 - 11 
 -  Krishna Prakashan Mandir, Meerut  1999 
 - 354 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Practical & spherical astronomy
<br/><br/><label>Dewey Class. No.: </label>522  SHA-S11