1. (1) e.g. T. Hayami : Crosslinked Polyethylene Cable, Chap.4.3, CORONA PUBLISHING CO., LTD. (1986) (in Japanese)
2. (2) G. Katsuta, A. Toya, M. Kanaoka, S. Katakai, Y. Maruyama, and H. Muto : “Influence of Defects and Moisture on Insulating Characteristics of XLPE Insulated Cable”, T. IEE Japan, Vol. 112-B, No. 10, pp. 853-862 (1992-10) (in Japanese)
3. (3) K. Ohata, G. Katsuta, Z. Iwata, Y. Maruyama, Y. Sekii, and M. Kanaoka : “A Study on Long-Term Characteristics of XLPE Cables”, T. IEE Japan, Vol. 112-B, No. 9, pp. 821-828 (1992-9) (in Japanese)
4. (4) CIGRE Working Group B1.55 : “Recommendations for Additional Testing for Submarine Cables from 6 kV (Um = 7.2 kV) up to 60 kV (Um = 72.5 kV”, CIGRE Technical Brochure 722 (2018-4)
5. (5) T. Kaneko, H. Ohno, T. Goto, S. Katakai, and H. Muto : “Long-term Characeristics of XLPE Insulated Cable Installed in Water”, Proc. of 1994 IEEE International Symposium on Electrical Insulation, F-18, pp. 344-351, Pittsburgh, PA, USA (June 5-8 1994)