Levytskyi, Volodymyr, Valentyn Korobiichuk, Volodymyr Shamrai, Ruslan Sobolevskyi, and Oleksandr Sydorov. “Evaluation of the Effectiveness of Natural Stone Surface Treatment from Ukraine by Mechanical and Chemical Methods”. Rudarsko-geološko-naftni zbornik 33, no. 4 (April 27, 2018). Accessed November 22, 2024. https://hrcak.srce.hr/ojs/index.php/rgn/article/view/6555.