1. Leakage Currents on Non-ceramic Insulators and Materials;Fernando;IEEE Trans. Dielectr. Electr. Insul.,1999
2. High Frequency Characteristics of Water Tree Degraded XLPE Insulation in Power Cables;Mugala;IEEE Trans. Dielectr. Electr. Insul.,2007
3. Polymer Oxidation and Water Treeing;Bulinski;IEEE Trans. Dielectr. Electr. Insul.,1998
4. IEC 60587:2007, Electrical insulating materials used under severe ambient conditions –Test methods for evaluating resistance to tracking and erosion
5. BS EN 50397-1:2006, Covered conductors for overhead lines and the related accessories for rated voltages above 1 kV a.c. and not exceeding 36 kV a.c. Covered conductors.