Boev, B., & Ilijovski, Z. (2013). Mineralogical- Geochemical Characteristic of the Neogene Sediments at the Coal Mine of Zivojno in the Pelagonia Depression. Geologica Macedonica, 27(1), pp. 55-63. Retrieved from https://js.ugd.edu.mk/index.php/GEOLMAC/article/view/741