@misc{cermak2013ultra,
  author = {{\v{C}}erm{\'a}k, P. and Hod{\'a}k, R. and Fajt, L. and Madathiparambil Jose, J. and {\v{S}}tekl, I.},
  title = {Ultra-low background shielding},
  year = {2013},
  note = {Functional sample}
}