Exploring geometry  
Hvidsten, Michael. 
 - Second edition. 
 -  0 
 - xx, 537 pages :  illustrations (some color) ;  25 cm. 
 - 2005)." .
<br/><br/> A Chapman & Hall book." | Previous edtion: Geometry with Geometry Explorer / Michael Hvidsten (Dubuque 
<br/><br/><label>ISBN: </label>9781498760805 (hardback : acidfree paper)