@misc{_Przegląd_1979,
 copyright={Rights Reserved - Free Access},
 address={Warszawa},
 journal={Przegląd Geograficzny},
 howpublished={online},
 year={1979},
 publisher={IGiPZ PAN},
 language={pol},
 language={eng},
 title={Przegląd Geograficzny T. 51 z. 4 (1979)},
 type={Text},
 URL={http://www.rcin.org.pl/Content/14187/PDF/WA51_5107_r1979-t51-z4_Przeg-Geogr.pdf},
 keywords={physical geography, theory of geography, Polish geography, complex physical geography, hydrology, spatial planning, management of environment, delimitation of physico-geographical units, saline karst, regionalization of vegetation, man and environment, evaluation of geographical environment, air temperature, maps of potential natural vegetation, climate, agriculture, sunshine duration, Upper Silesian Industrial Region, Carpathian Foreland, Poland},
}