Li, Zhixiong, Chenxing Sheng, Yuanjing Li, J. Xing, and Benyu Su. 2015. “Efficient Fault Feature Extraction and Fault Isolation for High Voltage DC Transmissions”. Elektronika Ir Elektrotechnika 21 (5):7-12. https://doi.org/10.5755/j01.eee.21.5.13317.