Abbott, Janet s., and David W. Wells <br/><br/>
Mathematics Today 

 - 2nd ed. 
 - Orlando.  Harcourt Brace Jovanovich, Publishers.  1987 
 - 500p.  Coloured illustrations. 
<br/><br/><label>ISBN: </label>0153500395 
<br/><br/><label>LC Class. No.: </label>QA 37.   / .A2 1987