title: Extension of range of film dosimetry by x-ray fluorescence technique.
mesh_terms: D003037:Cobalt Radioisotopes; D003720:Densitometry / Q000379:methods; D005373:Film Dosimetry; D005720:Gamma Rays; D013050:Spectrometry, Fluorescence
chemical_list: D003037:Cobalt Radioisotopes