Klapdor-Kleingrothaus, H., Dietz, A., Krivosheina, I., Dörr, C., & Tomei, C. (2003). Background analysis around Q β βfor 76Ge double beta decay experiments, and statistics at low count rates. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 510(3), 281-289.