Ratyńska, H., Waldon, B. and Boratyński, A. (2006) “Xerothermic and anthropophytic species populations in the grassland communities of ‘Skarpy Ślesińskie’ Nature Reserve and its surroundings”, Biodiversity: Research and Conservation, (3-4), pp. 381–385. doi: 10.14746/biorc.2006.3-4.41.