O'Daffer, Phares G. <br/><br/>
Addison-Wesley pre-algebra / 
Phares G. O'Daffer, Stanley R. Clemens ... [et al.]. 
 - U. S. A. :  Addison-Wesley Pub.,  c1991. 
 - x, 582 pages :   illustrations ;   23 cm 
<br/><br/> Glossary : p. 559 - 563. 
<br/><br/><label>ISBN: </label>0201297272 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.
<br/><br/><label>LC Class. No.: </label>QA154.2  / Od1 1991