Ma, Jing; Deng, Zhuojun; Zhang, Yongxin; Li, Pei; Thorp, James S.: 'Oscillation centre identification method based on frequency characteristics in multi-source oscillation scenes', IET Generation, Transmission & Distribution, 2018, 12, (13), p. 3346-3352, DOI: 10.1049/iet-gtd.2017.1946
IET Digital Library, https://digital-library.theiet.org/;jsessionid=f8m7larh804j.x-iet-live-01content/journals/10.1049/iet-gtd.2017.1946