1. Metzger G (1967) Some mechanical properties of welds in 6061 aluminum alloy sheet. Welding Journal 46:457-s–469-s.
2. Gittos N and Scott M (1981) Heat-affected zone cracking of Al-Mg-Si alloys. Welding Journal 60:95-s–103-s.
3. Kerr H and Katoh M (1987) Investigation of heat-affected zone cracking of GTA welds of Al-Mg-Si alloys using the Varestraint test. Welding Journal 66:251-s–259-s.
4. Katoh M and Kerr H (1987) Investigation of heat-affected zone cracking of GTA welds of Al-Mg-Si alloys using the Varestraint test. Welding Journal 66:360-s–368-s.
5. Miyazaki M, Nishio K, Katoh M, Mukae S and Kerr H (1990) Quantitative investigation of heat-affected zone cracking in aluminum alloy 6061. Welding Journal 69:362-s–371-s.