1. M. Heathcote , J & P Transformer Book , 2007 , vol. 13 , p. 40
2. CIGRE Technical Brochure n°378, WG A2.32, 2009 , 1 , 5
3. CIGRE Technical Brochure n°625, WG A2.40, 2016 , 1 , 74
4. IEC 60296, Fluids for Electrotechnical Applications: Unused Mineral Insulating Oils in Electrical Equipment, 2012 , 4 , 14
5. IEC 60422, Supervision and Maintenance Guide for Mineral Insulating Oils in Electrical Equipment, 2013 , 4 , 11