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APA Citation
Zhang, L., Chen, X., Fu, S., Li, H., & Zhao, M. (2019). the Research and Engineering Practice in Air Clearance of Valve Hall and DC Field in VSC-HVDC Converter Station with High Voltage and Large Capacity. Journal of physics, 1302(4), . http://access.bl.uk/ark:/81055/vdc_100092782846.0x000053