Ilie Onica. FINITE ELEMENT METHOD ANALYSIS OF THE CROWN PILLAR STABILITY IN THE CASE OF THE RO?IA POIENI COPPER DEPOSIT. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING, 2013. https://doi.org/10.5593/sgem2013/ba1.v1/s03.034