@misc{Solon_Jerzy_Physico-geographical_2018,
 author={Solon, Jerzy},
 volume={91},
 number={2},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Geographia Polonica},
 howpublished={online},
 year={2018},
 publisher={IGiPZ PAN},
 language={eng},
 type={Text},
 title={Physico-geographical mesoregions of Poland: Verification and adjustment of boundaries on the basis of contemporary spatial data},
 keywords={regionalisation, spatial units, boundaries of regions, Poland},
}