Boev, B., T. Sijakova-Ivanova, L. Robeva-Cukovska, and I. Boev. “Mineral Researches of the Examples of the Archeological Locality ‘Stoby’ Using the Method of the X-Ray Diffraction”. Geologica Macedonica, Vol. 22, Apr. 2013, pp. pp.27-41, https://js.ugd.edu.mk/index.php/GEOLMAC/article/view/241.