TY - BOOK AU - Gitlow,Howard S. TI - Tools and methods for the improvement of quality SN - 0256056803 AV - TS156 .T587 1989 PY - 1989/// CY - Homewood, IL PB - Irwin KW - Quality control KW - Statistical methods N1 - Includes bibliography (p. 594-596) and index ER -