TY - CPAPER AU - D. Jordanova AU - D. Todorova AU - TS. Tsacheva TI - MAGNETISM OF STREET DUST FROM SOFIA CITY – QUANTITATIVE INDICATION ABOUT DEGREE OF ENVIRONMENTAL POLLUTION T2 - 10th International Multidisciplinary Scientific GeoConference SGEM2010 PY - 2010 SP - 795 EP - 802 PB - SGEM Scientific GeoConference ER -