Hirst,K.E. <br/><br/>
Conceptual Models In Mathematics  
by K.E.Hirst and F.Rhodes  
 - London   George Allen And Unwin Ltd   1971 
 - xiii,182p. 
<br/><br/><label>ISBN: </label>0045100357 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics 
<br/><br/><label>Dewey Class. No.: </label>510  / HIR