Dung, Nguyen Van, and Hoang Dang Khoa. 2020. “The Influence of Polypropylene Laminated Paper on the Breakdown Strength of Insulation for High Temperature Superconducting Cable”. Vietnam Journal of Science and Technology 58 (1). Hanoi, VN:46-55. https://doi.org/10.15625/2525-2518/58/1/14387.