JOURNAL OF MANUFACTURING SYSTEMS, vol. 18, no. 1, page. 12 - 21, 1999-01
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, vol. 14, no. 9, page. 656 - 663, 1998-01
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, vol. 14, no. 1, page. 43 - 49, 1998-01