00292nam a2200109Ia 4500082002500000100006300025245004800088260003000136300000600166500000500172700000500177  a658.5620722bIn39.QC  aIndian Statistical Institue, Calcutta, SQC and OR Division  aQuality case studiesbcEd. by C. R. Prasad  aCalcuttabThe Auth.c1989  a   a  a