@ARTICLE{Grzywna_Antoni_Land_2017, author={Grzywna, Antoni and Sender, Joanna}, number={No 33}, 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={Land cover changes in catchment areas of lakes situated in headwaters of the Tyśmienica River}, URL={http://www.czasopisma.pan.pl/Content/101870/PDF-MASTER/Grzywna%20Sender.pdf}, keywords={lake basin, land use, topographic maps, Tyśmienica River}, }