Chojnacka, Joanna, Wiesław Cyzman, Andrzej Nienartowicz, and Miłosz Deptuła. 2010. “Comparison of Heath Communities from the Class Nardo-Callunetea from the Toruń Basin and Other Regions of Poland”. Ecological Questions 12 (July):127-44. https://doi.org/10.12775/v10090-010-0007-y.