TY - CPAPER AU - Edita Farkasova TI - THE IMPORTANCE OF MATERIAL FLOWS INDICATORS AND THE EVALUATION OF THEIR DEVELOPMENT IN SLOVAKIA T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference PY - 2011 DO - 10.5593/sgem2011/s22.138 PB - Stef92 Technology ER -