7GUNNARSSON K T, PRINZ F B, CARY H B. Welding expert program-modeling of casting and welding proesses II [M]. 3rd ed. DANTZIG J A, BERRY J T, eds. New York: Metallurgical Society of ACME, 1984:435-437.
8BARBORAK D M, DICKINSON D W, MADIGAN R B. PC-based expert system and their application to welding[J]. Welding Journal, 1991,70(1):29-38.
9COSTA S C, NORRISH J. Computer prediction of welding defects at the procedure stage[J]. Welding & Metal Fabrication, 1991, 59(4): 186-188.
10LUCAS W. Experiences in developing expert systems, and neural networks for arc welding[J]. Welding in the World-London, 1994,34(9):237-245.