Xu, Zuoming; Yi, Fuquan; Hu, Guanpeng; Wang, Xin; Yin, Pengbo; Hu, Wei; Peng, Zongren: 'Study on frequency domain dielectric spectroscopy of epoxy resin impregnated paper bushings under damp conditions', The Journal of Engineering, 2019, 2019, (16), p. 1319-1323, DOI: 10.1049/joe.2018.8659
IET Digital Library, https://digital-library.theiet.org/;jsessionid=4hr1guq3qfhea.x-iet-live-01content/journals/10.1049/joe.2018.8659