@misc{_Geographia_1981,
 editor={Dziewoński, Kazimierz (1910-1994). Ed.},
 editor={Korcelli, Piotr (1939- ). Ed.},
 editor={Rykiel, Zbigniew (1949- ). Ed.},
 copyright={Rights Reserved - Free Access},
 address={Warszawa},
 howpublished={online},
 year={1981},
 language={eng},
 title={Geographia Polonica 44 (1981)},
 type={Journal},
 URL={http://www.rcin.org.pl/igipz/Content/4213/WA51_13417_r1981-t44_Geogr-Polonica.pdf},
 journal={Geographia Polonica},
 publisher={IgIPZ PAN},
 keywords={Geography},
}