@misc{_Sonnenscheindauer._1944,
 copyright={Public Domain},
 howpublished={online},
 year={1944},
 language={ger},
 title={Sonnenscheindauer. Burgstadt V-X1944},
 URL={http://www.rcin.org.pl/Content/131117/PDF/KOR001_163757.pdf},
 keywords={climatology, meteorology, meteorological data, weather station},
}