Van Brummelen, G <br/><br/>
Heavenly mathematics  forgotten art of spherical trigonometry 
G. Van Brummelen 
 - Princeton  Princeton University Press  2013 
 - xvi  192 
<br/><br/><label>ISBN: </label>9780691148922 
<br/><br/><label>Dewey Class. No.: </label>514.6  / VAN