TY - CPAPER AU - Florin Dumitru Popescu AU - Ovidiu Bogdan Tomus AU - Ildiko Kertesz TI - NEW TRENDS TO OPTIMIZE THE OPERATING PARAMETERS OF VERTICAL TRANSPORT INSTALLATIONS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining PY - 2017 SP - 581 EP - 590 DO - 10.5593/sgem2017/13/s03.074 PB - STEF92 Technology ER -