1. Valagro BY Hong LC Vegetable oils as substitute for mineral insulating oils in medium-voltage equipments Paris 2004
2. IEC Std. 60296-2003 Fluids for Electrotechnical Applications - Unused Mineral Insulating Oils for Transformers and Switchgear
3. ASTM Std. D3487-09 Standard Specification for Mineral Insulating Oil Used in Electrical Apparatus
4. IEEE Std. C57.106-2006 Guide for Acceptance and Maintenance of Insulating Oil in Equipment
5. Mineral insulating oil in transformers;Rouse;IEEE Electrical Insulation Magazine,1998