M. Miller, K. Rudion, H. Nägele, and J. Schnaars. CIRED 2021 : The 26th International Conference and Exhibition on Electricity Distribution, page 2833-2837. Piscataway, IEEE, (2021)
M. Siegel, and S. Tenbohlen. VDE-Hochspannungstechnik 2016 : Vorträge der ETG-Fachtagung 14.-16. November 2016 in Berlin, 150, page 660-665. VDE-Verlag, (2016)