An alternative approach to synthesizing single-stage converters with power-factor-correction feature. - Tsai-Fu Wu; Te-Hung Yu; Yuan-Chuan Liu (IEEE Trans. Ind. Electron., 1999)

Double-Input PWM DC/DC Converter for High-/Low-Voltage Sources. - Yaow-Ming Chen; Yuan-Chuan Liu; Sheng-Hsien Lin (IEEE Trans. Ind. Electron., 2006)