1. Keyence, Welding quality requirements. Viewed on 23 March 2020, https://www.keyence.com/ss/products/measure/welding/trouble/quality.jsp
2. Vairis A, Petousis M (2009) Designing experiments to study welding processes: using the Taguchi method. J Eng Sci Technol Rev 2(1):99–103
3. Ogunbiyi B (1999) The influence of power source type on welding performance and weld quality. Exploit Adv Arc Weld Technol, 55
4. http://www.weldfabtechtimes.com/article/iso-3834-the-quality-requirements-for-welding/
5. https://www.machinedesign.com/mechanical-motion-systems/article/21836735/dfm-for-welding