Barbeau, Edward J. <br/><br/>
Challenging mathematics In and beyond the classroom  the 16th ICMI study 
Edward J. Barbeau 
 - New york  Springer  2009 
 - xiii, 336p 
 - New ICMI study series    V.12 .
<br/><br/><label>ISBN: </label>9780387096025  E109.95