Kozako Nakamura M., Hikita M., Inoue R., kondo T., 2012, Effects of Addition of Nano-scale
Silica Filler on Erosion, Tracking Resistance and Hydrophobicity of Silicone Rubber,
The 8th International Workshop on High Voltage Engineering, ED-12-143, SP-12-070,
HV-12-073,, pp. 85-89