[1]
S. Aoki, S. Hirai, V. Saechout, M. Kohmura, T. Nishimura, and T. Hiroi, “Development for Automatic Welding System with Reduction of Residual Stress. - Effect of Vibrations with Different Frequencies”, ELEKTRON ELEKTROTECH, vol. 76, no. 4, pp. 21-24, Apr. 2007.