Reka, Arianit, Anovski, Todor, Bogoevski, Slobodan, Pavlovski, Blagoj, AND Boškovski, Boško. " Physical-chemical and mineralogical-petrographic examinations of diatomite from deposit near village of Rožden, Republic of Macedonia" Geologica Macedonica [Online], Volume 28 Number 2 (29 December 2014)