@misc{kroupa2011laboratory,
  author = {Kroupa, M. and Granja, C. and Posp{\'i}{\v{s}}il, S. and Janout, Z. and Krej{\v{c}}{\'i}, F. and Ku{\v{c}}a, {\v{C}}.},
  title = {Laboratory Wide Dynamic Range Gamma-Ray Calibration Facility},
  year = {2011},
  note = {Functional sample}
}