dr Michal Cehlar, BERG Faculty, TU Košice, Slovakia
dr Gabriel Fedorko, BERG Faculty, TU Košice, Slovakia
dr Vieroslav Molnar, BERG Faculty, TU Košice, Slovakia
dr Daniela Marasova, BERG Faculty, TU Košice, Slovakia
dr Milivoj Vulic, Faculty of Natural Sciences and Engineering, Ljubljana, Slovenia
dr Zeljko Vukelic, Faculty of Natural Sciences and Engineering, Ljubljana, Slovenia
dr Goran Vizintin, Faculty of Natural Sciences and Engineering, Ljubljana, Slovenia
dr Evgen Dervaric, Faculty of Natural Sciences and Engineering, Ljubljana, Slovenia
dr Milan Medved, University of Maribor, Slovenia
dr Vladimir I. Galkin, MISIS Moscow, Russia
dr Evgenia. E Sheshko, MISIS Moscow, Russia
dr Nikolaj M. Kachurin, TulGU, Tula, Russia
dr Oleg N. Rusak, Sankt-Peterburg, Russia
dr Zoran Panov, Goce Delcev University Stip, Macedonia
dr Zoran Despodov, Goce Delcev University Stip, Macedonia
dr Dejan Mirakovski, Goce Delcev University Stip, Macedonia
dr Viktor Kovalov, Donbas State Engineering Academy, Ukraine
dr Valentin Nedeff, University of Bacau, Romania
dr Alexandru-Viorel Pele, University of Oradea, Romania
dr Raycho Ilarionov, TU Gabrovo, Bulgaria
dr Malgorzata Malec, KOMAG, Gliwice, Poland
dr Monika Hardygora, Wrocław University of Technology, Poland
dr Horst Gondek, VŠB Ostrava, Czech Republic
dr Jiri Fries, VŠB Ostrava, Czech Republic
dr Neven Duic, University of Zagreb, Croatia
dr Nediljka Gaurina-Medjimurec, University of Zagreb, Croatia
dr Vlatko Marusic, University of Osijek, Croatia
dr Vladimir Malbasic, University of Banja Luka, Republic of Srpska, Bosnia and Hercegovina
dr Kemal Gutic, Faculty of Minig, Geology and Civil Engineering,Bosnia and Hercegovina
dr Gordana Stefanovic, University of Nis, Serbia
dr Srdjan Jovic, University of Pristina, Serbia
dr Blagoje Nedeljkovic, University of Pristina, Serbia
dr Gordana Vojkovic, University of Belgrade, Serbia
dr Zoran Nikic, University of Belgrade, Serbia
dr Ivan Obradovic, University of Belgrade, Serbia
dr Nikola Lilic, University of Belgrade, Serbia
dr Bozo Kolonja, University of Belgrade, Serbia
dr Dinko Knezevic, University of Belgrade, Serbia
dr Milos Grujic, University of Belgrade, Serbia
dr Aleksandar Cvjetic, University of Belgrade, Serbia
dr Ivica Ristovic, University of Belgrade, Serbia