1. Investigation Committee for Tests for Radiation Resistance of Insulating Materials, I.E.E., Japan 1979
2. Investigation Committee for Testing Wires and Cables for Nuclear Power Stations, I.E.E., Japan 1982
3. T. Seguchi Evaluation of Aging of Insulating Materials 54 2 1984
4. Degradation of Polyethylene by Combination of Irradiation and Thermal Aging;Nakamura;Trans. I.E.E., Japan A,1984
5. Study Committee for Measurements of Insulating Properties of Extra-High-Voltage CV Cables 1980