1. A Contribution to Arc Length Discussion
2. British Standard BS 499-1:2009: Welding Terms and Symbols Part 1: Glossary for Welding, Brazing and Thermal Cutting,2009
3. AWS Standard A3.0M/A3.0:2010: Welding Terms and Definitions: Including Terms for Adhesive Bonding, Brazing, Soldering, Thermal Cutting, and Thermal Spraying,2010
4. Surface Tension Transfer (STT),2005
5. CMT: Cold Metal Transfer,2013