Nassan J.J <br/><br/>
Gractical astronomy 
Nassan J.J 
 - London  Mcgrow  1948 
 - 311 pages 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Dewey Class. No.: </label>Nc10,3  1948