@misc{broulim2018gamma,
  author = {Broul{\'i}m, J. and Slav{\'i}{\v{c}}ek, T. and Kohout, Z.},
  title = {Gamma-gamma coincidence unit with {USB} interface and {SW} for coincidence graphs ploting},
  year = {2018},
  note = {Functional sample}
}