@ARTICLE{Bondar-Nowakowska_Elżbieta_The_2014, author={Bondar-Nowakowska, Elżbieta and Hachoł, Justyna}, number={No 20}, journal={Journal of Water and Land Development}, howpublished={online}, year={2014}, publisher={Polish Academy of Sciences; Institute of Technology and Life Sciences - National Research Institute}, title={The risk as a measure of ecological safety in watercourses}, URL={http://www.journals.pan.pl/Content/90070/mainfile.pdf}, }