@ARTICLE{Prajs_B._Natural_2010, author={Prajs, B. and Rogalski, M. and Sotek, Z. and StasiƄska, M.}, number={No 14}, journal={Journal of Water and Land Development}, howpublished={online}, year={2010}, publisher={Polish Academy of Sciences; Institute of Technology and Life Sciences - National Research Institute}, title={Natural conditions for the reconstruction of fish ponds and possibilities of their use in ecotourism}, URL={http://www.journals.pan.pl/Content/89898/mainfile.pdf}, }