IEC 60296:2012, Fluids for electrotechnical applications – Unused mineral insulating oils for transformers and switchgear
 IEC 60422:2013, Mineral insulating oils in electrical equipment – Supervision and maintenance guidance
 IEC 62697-1:2012, Test method for quantitative determination of dibenzyldisulfide (DBDS)
 CIGRE Brochure 378:2009, Copper sulphide in transformer insulation
 CIGRE Brochure 413:2010, Insulating Oil Regeneration and Dehalogenation
 CIGRE Brochure 625:2015, Copper Sulphide long term mitigation and risk assessment