Guo, Min; Jin, Qingren; Yao, Zhiyang; Chen, Weidong (2020). "Analysis on the Reason of Low Voltage Problem and the Effectiveness of Voltage Regulation in a Distribution Area". IOP Conference Series: Earth and Environmental Science440 (3): 032128. doi:10.1088/1755-1315/440/3/032128. Bibcode: 2020E&ES..440c2128G.
Guo, Min; Jin, Qingren; Yao, Zhiyang; Chen, Weidong (2020). "Analysis on the Reason of Low Voltage Problem and the Effectiveness of Voltage Regulation in a Distribution Area". IOP Conference Series: Earth and Environmental Science440 (3): 032128. doi:10.1088/1755-1315/440/3/032128. Bibcode: 2020E&ES..440c2128G.