Augustyniuk-Kram, A., Kram, K.J. and Ilieva-Makulec, K. 2019. The assessment of soil biological activity and physico-chemical parameters in the first stage of restoration of xerothermic grassland habitats on the dune of Łużowa Góra in the Kampinos National Park: Preliminary studies. Studia Ecologiae et Bioethicae. 17, 3 (Sep. 2019), 63–73. DOI:https://doi.org/10.21697/seb.2019.17.3.07.