Ćuk, M., M. Ilić, R. Igić, T. Šikuljak, D. Vukov, and A. Čarni. “Classification and Diversity of Perennial Sand-Dune Vegetation in Serbia”. Archives of Biological Sciences, vol. 71, no. 4, Dec. 2019, pp. 647-53, https://www.serbiosoc.org.rs/arch/index.php/abs/article/view/4493.