1. S.M. Manladan, F. Yusof, S. Ramesh, M. Fadzil, Z. Luo, and S. Ao: Int. J. Adv. Des. Manuf. Technol., 2017, vol. 90, pp. 605–34. .
2. D.C. Saha and Y. Park: J. KWJS., 2011, vol. 29, pp. 35–40. .
3. J.E. Gould: Weld. J. (Miami, FL, U.S.)., 2012, vol. 91, pp. 23–34. .
4. A. Ambroziak and M. Korzeniowski: Archives of Civil and Mechanical Engineering., 2010, vol. 10, pp. 5–13. .
5. German Institute for Standardization: ISO 10447:2015-05, DIN Deutsches Institut für Normung e. V., Berlin, Germany, 2015.