1) H Hori, S Makita and H Hino; Friction Stir Welding of Rolling Stock for Subway, The First International Symposium on Friction Stir Welding, Gothenburg, Sweden (1999)
2) H Takai, M Ezumi, T Kawasaki, Y Ina and T Matsunaga; Application of Friction Stir Welding to Rolling Stock Body Shell, The Third International Symposium on Friction Stir Welding, Kobe, Japan (2002)
3) S Kallee; Invention, Implementation and Industrialization of Friction Stir Welding, First EuroStir Workshop, July 2002, Great Abington, UK
4) M Wood, S Larsson, H Dahlstrom; Environmental comparison of FSW against MIG in Aluminum Railway Rolling Stock, The Second International Symposium on Friction Stir Welding, Kobe, Japan (2002)