Levinson W A <br/><br/>
SPC essentials and productivity improvement : manufacturing approach 
Levinson W A; Tumbelty F 
 - Wiconsin  Wiconsin, ASQC Quality  1997 
 - 266p 
<br/><br/><label>ISBN: </label>0-87389-373-7 
<br/><br/><label>Source: </label>Textbook