Wang, Chao-Chun; Wu, Kuan-Hung; Liu, Yu-Chen; Yang, Cheng-Yan; Alam, Mohammed Mahmood; Lo, Yu-Kang; Chiu, Huang-Jen: 'Study and implementation of an improved-power factor alternating-current-light emitting diode driver', IET Power Electronics, 2015, 8, (7), p. 1156-1163, DOI: 10.1049/iet-pel.2014.0182
IET Digital Library, https://digital-library.theiet.org/;jsessionid=77d58oea0pckf.x-iet-live-01content/journals/10.1049/iet-pel.2014.0182