A1 - Urban, Danuta A1 - Grzywna, Antoni PB - Polish Academy of Sciences; Institute of Technology and Life Sciences - National Research Institute L1 - http://journals.pan.pl/Content/102260/PDF-MASTER/30%20Urban%20Grzywna.pdf L2 - http://journals.pan.pl/Content/102260 PY - 2017 IS - No 35 T1 - Changes of species composition of the Poa pratensis-Festuca rubra plant communities in drainage peatland UR - http://journals.pan.pl/dlibra/publication/edition/102260 T2 - Journal of Water and Land Development