Wadsworth, Harrison M. Modern methods for quality control and improvement / Harrison M. Wadsworth, Jr., Kenneth S. Stephens, A. Blanton Godfrey. - 2nd ed. - New York : John Wiley & Sons, 2002. - xiii, 683 p. ISBN: 9812530398 : KES 1,000 Subjects--Topical Terms: Quality control--Statistical methods. LC Class. No.: TS156 / .W33 2002