@ARTICLE{Przylibski_Tadeusz_Andrzej_Changes_2000,
 author={Przylibski, Tadeusz Andrzej},
 volume={vol. 26},
 number={No 3},
 pages={13-27},
 journal={Archives of Environmental Protection},
 howpublished={online},
 year={2000},
 publisher={Polish Academy of Sciences},
 type={Article},
 title={Changes in the Concentration of Radon-222 and Its Daughter Products in the Air of the Underground Tourist Route in Walim (Lower Silesia)},
 URL={http://ochroma.man.poznan.pl/Content/124208/PDF/5_AE_VOL_26_3_2000_Przylibski_Changes.pdf},
 keywords={radon, radium, radon daughter products, ionizing radiation, adits, underground touristroute, Lower Silesia, Sudety Mountains, Góry Sowie mountains},
}