R.m. Khan <br/><br/>
Astronomy 

 - Kolkata  Shreedhar Prakashani  1965 
 - 201 p. 
<br/><br/><label>ISBN: </label> 9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>520  / K527