Knöpfle, Karl-Tasso Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;
http://dx.doi.org/10.1063/1.3700593 (Publisher version)
Knöpfle, K.-T., & and GERDA Collaboration (2012). Status and perspective of the GERDA neutrinoless double beta decay experiment. American Institute of Physics Conference Proceedings. doi:10.1063/1.3700593.