K.K. De <br/><br/>
A textbook Of Astronomy 

 - Kolkata  Book Sindicate  1961 
 - 235 p. 
<br/><br/><label>ISBN: </label> 20 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>520  / D-34