Cleveland, William S.,  1943- <br/><br/>
Visualizing data / 
William S. Cleveland 
 - New York :  AT & T Bell Laboratories,  1993 
 - 360 p. :  ill. ;  25 cm. 
<br/><br/>p. 341-346 
<br/><br/><label>ISBN: </label>0963488406 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graphic methods<br/>Mathematical statistics--Graphic methods