TY - BOOK AU - Wadsworth, Harrison M. AU - Stephens, Kenneth S. AU - Godfrey, Blanlon TI - Modern methods for quality control and improvement SN - 0471843261 U1 - 658.562 PY - 1986/// CY - New York PB - John Wiley & Sons KW - Quality control KW - Statistical methods N1 - Includes index ER -