(3) Y. Ohki, N. Hirai, T. Minakawa, and T. Okamoto: "The Status Quo of Japanese Research on Assurance of Cable Integrity in Nuclear Power Plants", Third International Conference on Nuclear Power Plant Life Management, IAEA-CN-194-076, Salt Lake City, UT, USA (2012)
(4) Y. Ohki, N. Hirai, T. Yamamoto, and T. Minakawa: "Improvement of Inspection and Maintenance Procedures of Polymeric Cable Insulation Used in Nuclear Power Plants in Japan", CIGRE Session 44, D1-109 (2012)