Martin Siegel, Stefan Tenbohlen, S. Coenen, B. Dolata, G. Luna, und S. Louise. Practical sensitivity of online UHF PD monitoring on large power transformers. CIGRE SC A2 Colloquium 2015, Shanghai, China, Sept. 20-25, 2015, 2015. [PUMA: Monitoring Sensitivity UHF PD Large online Transformers Practical Power] URL