@ARTICLE{Gałązka_Andrzej_Long-term_2013,
 author={Gałązka, Andrzej},
 number={vol. 36},
 journal={Studia Regionalia},
 howpublished={online},
 year={2013},
 publisher={Polish Academy of Sciences – Committee for Spatial Economy and Regional Planning and European Regional Science Association (ERSA) Polish Section},
 title={Long-term Transformations of Agricultural Production in Poland. Selected lssues},
 URL={http://journals.pan.pl/Content/98148/mainfile.pdf},
}