A1 - Wójcik-Leń, Justyna A1 - Sobolewska-Mikulska, Katarzyna PB - Polish Academy of Sciences; Institute of Technology and Life Sciences - National Research Institute L1 - http://www.czasopisma.pan.pl/Content/102263/PDF-MASTER/33%20Wojcik%20Sobolewska.pdf L2 - http://www.czasopisma.pan.pl/Content/102263 PY - 2017 IS - No 35 T1 - Issues related to marginal lands with reference to selected agricultural problematic areas UR - http://www.czasopisma.pan.pl/dlibra/publication/edition/102263 T2 - Journal of Water and Land Development