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2. 2) Spreadsheet of FSW patents: http://www.twi.co.uk/j32k/unprotected/binary/FSWPatents.xls.
3. Structural Analysis Using Mesh Superposition Technique
4. 4) H.Fujii: Weld. Technol., 53 (2005), 60.
5. 5) L.Cui, H.Fujii, N.Tsuji, K.Nakata and K.Nogi: Proc. 6th Int. FSW Symp., Montreal , Canada, 10–13 October, 2006, CD-ROM.