@article{HeinrichsPietrzykZiemons2013,
  author    = {U. Heinrichs and U. Pietrzyk and Karl Ziemons},
  title     = {Design optimization of the PMT-ClearPET prototypes based on simulation studies with GEANT3},
  journal   = {2002 IEEE Nuclear Science Symposium Conference Record, Vol. 3},
  pages     = {682 -- 686},
  year      = {2013},
}