Bugarčić, M. D.; Milivojević, M.; Marinković, A.; Marković, B.; Sokić, M.; Petronijević, N.; Stojanović, J. Application of Raw Volcanic Rock Found in Etna Valley As an Adsorbent of Chromates, Arsenates and Selenates. Metall Mater Eng 2018, 24, 133-144.