@misc{Holá_OI'ga_Ionizing,
 author={Holá, OI'ga and Holý, Karol},
 howpublished={online},
 publisher={Pedagogical University of Kraków},
 language={eng},
 title={Ionizing radiation, its effects and protection against it},
 type={referat},
 type={artykuł z pracy zbiorowej},
 keywords={radiation protection, ionizing radiation, video-films},
}