1. Kreindl J. Time twin, high speed GMA welding with two electrode wires. Workshop ‘New welding technologies and processes’, Genoa.
2. Thomson A, Fersini M. Improving the competitiveness of the European steel fabrication industry using synchronized tandem wire welding technology – SYNFAB. RFS-CR-03049 Final Report to be published; 2006.
3. UNI EN ISO 6520-1; 2001.
4. UNI EN ISO 5817; 2003.
5. UNI EN ISO 15614-1; 2005.