Knight, S. A. <br/><br/>
Understanding graphs / 
[by] S. A. Knight. 
 - London ;  Glasgow :  Blackie,  1966. 
 - viii, 231 p. :  tables, diagrs. ;  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graphic methods.
<br/><br/><label>Dewey Class. No.: </label>510  / KNU