1. 1) S. NONOMURA, K. HYOMA et al.: Preprints of the National Meeting of JWS, No.93 (2013), pp.114-115.
2. 2) K. HYOMA, S. NONOMURA et al.: Preprints of the National Meeting of JWS, No.93 (2013), pp.116-117.
3. 3) T. OKUNO, T. HAGA et al.: The Method of Multivariate Statistics ‹Revised Edition› (1981), pp.25-155.
4. 4) J. F. Lancaster: The Physics of Welding (1990), pp.290-291.
5. 5) Y. HIRATA, "Gas shielded Metal Arc Welding" Journal of the Japan Welding Society, Vol.77, No.4 (2008), pp.32-39.