Book Y1 : SMP 11-16   

 - New York :  Cambridge University Press,  1985. 
 - 156p.;  ill.;  25cm 
<br/><br/><label>ISBN: </label>0-521-31754-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510.7  / BOO