M. Schwenke, K. Zuber, B. Janutta, P. Čermák, I. Štekl: Exploration of Pixelated detectors for double beta decay searches within the COBRA experiment. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 650(1), 73-78 (2011). doi:10.1016/j.nima.2010.12.128