@misc{Czarnecka_Małgorzata_The_2013,
 author={Czarnecka, Małgorzata and Nidzgorska-Lencewicz, Jadwiga},
 volume={86},
 number={4},
 copyright={Rights Reserved - Free Access},
 address={Warszawa},
 journal={Geographia Polonica},
 howpublished={online},
 year={2013},
 publisher={IGiPZ PAN},
 language={eng},
 type={Text},
 title={The occurrence of atmospheric thaw in Poland over the last 50 years},
 URL={http://rcin.org.pl./Content/40954/PDF/WA51_58438_r2013-t86-no4_G-Polonica-Czarnecka.pdf},
 keywords={atmospheric thaws, thaw periods >10,20,30 days, thaw-start and thaw-end-date, temporal variability, spatial distribution, NAO index},
}