@ARTICLE{Urban_Danuta_Changes_2017, author={Urban, Danuta and Grzywna, Antoni}, number={No 35}, 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={Changes of species composition of the Poa pratensis-Festuca rubra plant communities in drainage peatland}, URL={http://ochroma.man.poznan.pl/Content/102260/PDF-MASTER/30%20Urban%20Grzywna.pdf}, }