Alexander, Daniel C. <br/><br/>
Elementary geometry/ 
Daniel C. Alexander and Geralyn M. Koeberlein. 
 - 4th edition 
 - Boston:  Houghton Mifflin Company,  c2007. 
 - x, 519 pages:   illustrations;   26 cm. 
<br/><br/> Includes index.<br/> 
<br/><br/><label>ISBN: </label>9780618730681 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry   --Study and teaching
<br/><br/><label>Dewey Class. No.: </label>DC 516.007  / Al2e