Tong, Xuefang; Dong, Xiaohui; Tan, Bo: 'High current field test of impulse transient characteristics of substation grounding grid', The Journal of Engineering, 2019, 2019, (16), p. 2018-2021, DOI: 10.1049/joe.2018.8826 IET Digital Library, https://digital-library.theiet.org/;jsessionid=b36015ilo3meg.x-iet-live-01content/journals/10.1049/joe.2018.8826