Ettinger, Andreas; Connor, Theodor; Liu, Qing Biao; Xue, Hong Bo; Tang, Ying Jie; Song, Gao Hong: 'Suitable methods for neutral grounding of Xining's distribution networks', CIRED - Open Access Proceedings Journal, 2017, 2017, (1), p. 2552-2555, DOI: 10.1049/oap-cired.2017.0393
IET Digital Library, https://digital-library.theiet.org/;jsessionid=400ura1jolgf3.x-iet-live-01content/journals/10.1049/oap-cired.2017.0393