Wang, A., Lin, S., Zhou, Q., Wu, G., Li, X., Liu, J., & Cheng, H. Frequency analysis and calculation of transformer neutral DC caused by metro stray currents. Elsevier.
Chicago Style (17th ed.) CitationWang, Aimin, Sheng Lin, Qi Zhou, GuoXing Wu, Xiaopeng Li, Jun Liu, and Hongbo Cheng. Frequency Analysis and Calculation of Transformer Neutral DC Caused by Metro Stray Currents. Elsevier.
MLA (9th ed.) CitationWang, Aimin, et al. Frequency Analysis and Calculation of Transformer Neutral DC Caused by Metro Stray Currents. Elsevier.
Warning: These citations may not always be 100% accurate.