@misc{pridal2012tunable,
  author = {P{\v{r}}idal, P. and Ma{\v{s}}ek, P. and Kouba, P. and Bukov{\'y}, M. and {\v{S}}tekl, I. and Bure{\v{s}}ov{\'a}, H.},
  title = {Tunable source of electrons},
  year = {2012},
  note = {Functional sample}
}