INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, vol. 14, no. 11, page. 795 - 805, 1998-01
IEEE TRANSACTIONS ON ROBOTICS AND AUTOMATION, vol. 8, no. 6, page. 718 - 729, 1992-12
JOURNAL OF MANUFACTURING SYSTEMS, vol. 10, no. 4, page. 322 - 331, 1991-01