Keevitajate atesteerimine : sulakeevitus. Osa 1, Terased = Qualification test of welders : fusion welding. Part 1, Steels2013 https://www.ester.ee/record=b2908427*est

Keevitamine : soovitused metallmaterjalide keevitamiseks. Osa 2, Ferriitteraste kaarkeevitus = Welding : recommendations for welding of metallic materials. Part 2, Arc welding of ferritic steels2012 https://www.ester.ee/record=b2889109*est

Keevitamine : soovitused metallmaterjalide keevitamiseks. Osa 3, Roostevabade teraste kaarkeevitus = Welding : recommendations for welding of metallic materials. Part 3, Arc welding of stainless steels2012 https://www.ester.ee/record=b2873974*est

Metallide keevitusprotseduuride spetsifitseerimine ja atesteerimine. Keevitusprotseduuri katse. Osa 1, Teraste gaas- ja kaarkeevitus ning nikli ja niklisulamite kaarkeevitus = Specification and qualification of welding procedures for metallic materials. Welding procedure test. Part 1, Arc and gas welding of steels and arc welding of nickel and nickel alloys (ISO 15614-1:2004+A1:2008+A2:2012)2013 https://www.ester.ee/record=b2908512*est