References
1. Larry Jeffus, January 27, 2011, Welding and metal fabrication, 1st edition, Cengage Learning; ISBN-10: 1418013749; ISBN-13: 978-1418013745 ... Reviewed in the United States on December 26, 2012.
2. Rajender Singh, 2006, Introduction to Basic Manufacturing Processes and Workshop Technology, New Age International (P) Ltd.
3. Larry Jeffus, 2016, Welding principles and applications, 8th edition, Cengage learning
4. Michael A. Reeser, 2017. Welding complete; techniques, project plans & instructions,
2
nd edition, ISBN: 978-1-59186-691-6, Cool springs press.