@misc{_Burgstadt_1942,
 copyright={Public Domain},
 howpublished={online},
 year={1942},
 language={ger},
 title={Burgstadt (Kurnik). April 1942},
 URL={http://rcin.org.pl./Content/129532/PDF/KOR001_162063_1942.pdf},
 keywords={climatology, meteorology, meteorological data, weather station},
}