@ARTICLE{Wójcik-Leń_Justyna_Issues_2017,
 author={Wójcik-Leń, Justyna and Sobolewska-Mikulska, Katarzyna},
 number={No 35},
 journal={Journal of Water and Land Development},
 howpublished={online},
 year={2017},
 publisher={Polish Academy of Sciences; Institute of Technology and Life Sciences - National Research Institute},
 title={Issues related to marginal lands with reference to selected agricultural problematic areas},
 URL={http://ochroma.man.poznan.pl/Content/102263/PDF-MASTER/33%20Wojcik%20Sobolewska.pdf},
}