Backman, Carl A. <br/><br/>
Introduction to concepts of geometry 
[by] Carl A. Backman [and] Robert G. Cromie. 
 - Englewood Cliffs, N.J.,  Prentice-Hall  [1971] 
 - xvi, 320 p.  illus. 
<br/><br/><label>ISBN: </label>0134796837 
<br/><br/><label>Subjects--Index Terms: </label>Geometry 
<br/><br/><label>Universal Decimal Class. No.: </label>514.11  / BAC