A1 - Łaska, Grażyna PB - Polish Academy of Sciences; Institute of Technology and Life Sciences - National Research Institute L1 - http://journals.pan.pl/Content/90089/mainfile.pdf L2 - http://journals.pan.pl/Content/90089 PY - 2014 IS - No 20 T1 - Protection of floristic diversity in the Sajna River valley – in view of the planned construction of hydroelectric power station in Sarkajmy UR - http://journals.pan.pl/dlibra/publication/edition/90089 T2 - Journal of Water and Land Development