Bell, Max <br/><br/>
Algebraic and arithmetic structures :  a concrete approach for elementary school teachers / 
developed cooperatively by Max S. Bell, Karen C. Fuson, Richard A. Lesh 
 - New York :  Free Press,  c1976 
 - xxxv, 683 p. :  ill. ;  24 cm 
<br/><br/> Includes index 
<br/><br/>Bibliography: p. 662-668 
<br/><br/><label>ISBN: </label>0029022703 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>QA135.5  / .B43 
<br/><br/><label>Dewey Class. No.: </label>372.7  / BEL 1976