Ruckle W H <br/><br/>
Geometric games and their applications 

 - Boston  Pitman           1983 
 - 187p.  cm. 
<br/><br/><label>Standard No.: </label>23839 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B2891, M3