Wels, S., Obst, J., Claudi, A., Böttge, B., Bernhardt, R., Klengel, S., 2018. Limitation of test sample arrangements according to IEC 60243-1: Electrical strength of insulating materials - Test methods, in: IEEE International Conference on Dielectrics 2018 (Hrsg.), IEEE International Conference on Dielectrics 2018. IEEE Xplore, Budapest, S. 1–4.