@misc{BUT67734,
  author="Marcela {Fridrichová}",
  title="PNF RO 72 2409 Stínící barytový beton X-RAY STOP",
  booktitle="Podniková norma",
  year="1998",
  edition="1",
  volume="1",
  pages="2",
  publisher="Rosomac s.r.o,",
  address="Brno",
  note="standard"
}