Agricola, Ilka, ; Friedrich, Thomas,  <br/><br/>
Elementary geometry (vol-43) 
/ by Ilka Agricola et.al 
 - 1st ed. 
 - German:  American mathematical society,  2008. 
 - xi, 243p. 
<br/><br/><label>ISBN: </label>9780821843475 
<br/><br/><label>Dewey Class. No.: </label>516  / AGR/E