Bolt, Brian. Hobbs, David. <br/><br/>
101 Mathematical projects : a resource book 

 - Cambridge  Cambridge University Press  2001 
 - 168 
<br/><br/><label>ISBN: </label>9780521671408 
<br/><br/><label>Subjects--Topical Terms: </label><br/>101,Mathematical,projects
<br/><br/><label>Dewey Class. No.: </label>510  BOL;1  R