Van Brummelen, Glen <br/><br/>
Heavenly mathematics :  the forgotten art of spherical trigonometry / 
Glen Van Brummelen. 
 - Princeton :  Princeton University Press,  2013. 
 - xvi, 192 p., [8] p. col. plates :  ill. (some col.), maps ; 
<br/><br/><label>ISBN: </label>9780691148922 (hardcover : alk. paper) 0691148929 (hardcover : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spherical trigonometry.<br/>Trigonometry.
<br/><br/><label>Universal Decimal Class. No.: </label>514.116.3  / VAN