Cheema, G. , Singh, N. , Singh, G. , Kang, A.. "Influence of Post Weld Heat Treatment on Mechanical and Metallurgical Properties of TIG Welded Aluminium Alloy Joints". World Academy of Science, Engineering and Technology, Open Science Index 96, International Journal of Mechanical and Mechatronics Engineering, (2014), 8(12), 1333 - 1336.