Gerardi, William J. <br/><br/>
Key ideas in mathematics 1 / 
William J. Gerardi, Wilmer L. Jones and Thomas R. Foster. 
 - 2nd ed. [Teacher's ed.] 
 - New York :  Harcourt Brace,  c1974. 
 - 354 p. :  ill. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>510 GER