Pradeep, G. R. C., A. Ramesh, and B. Durga Prasad. “Hardfacing of AISI 1020 Steel by Arc Welding in Comparison With TIG Welding Processes”. Journal of Scientific Research, vol. 5, no. 1, Dec. 2012, pp. 119-26, doi:10.3329/jsr.v5i1.11899.