Valentin Ganev. "THE NEW LA-ICP-MS LAB FACILITY IN THE GEOLOGICAL INSTITUTE AT BULGARIAN ACADEMY OF SCIENCES - FIRST RESULTS FROM TRACE ELEMENTS DETERMINATION AND U-PB AGE DATING OF METAMORPHIC ROCKS." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference (2011). https://doi.org/10.5593/sgem2011/s01.139