TY - CPAPER AU - I. Krausova AU - J. Mizera AU - Z. Randa AU - D. Chvatil AU - I. Sykorova TI - DETERMINATION OF FLUORINE IN GEOCHEMICAL REFERENCE MATERIALS AND COAL BY INSTRUMENTAL PHOTON ACTIVATION ANALYSIS T2 - 10th International Multidisciplinary Scientific GeoConference SGEM2010 PY - 2010 SP - 229 EP - 236 PB - SGEM Scientific GeoConference ER -