INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING-THEORY APPLICATIONS AND PRACTICE, vol. 10, no. 4, page. 462 - 466, 2003-12
INTERNATIONAL JOURNAL OF RELIABILITY, QUALITY AND SAFETY ENGINEERING, vol. 10, no. 2, page. 205 - 217, 2003-01
JOURNAL OF QUALITY TECHNOLOGY, vol. 35, no. 1, page. 59 - 69, 2003-01