@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   = {IEEE Transactions on Nuclear Science},
  volume    = {50},
  number    = {5},
  pages     = {1428 -- 1432},
  year      = {2013},
}