["Course and hardness" of wall ionization chambers in measuring x-ray radiation of 10 to 200 keV].
D008433:Mathematics; D011874:Radiometry / Q000295:instrumentation*; D013679:Technology, Radiologic
"Khod s zhestkost'iu" stenochnykh ionizatsionnykh kamer pri izmerenii rentgenovskikh izluchenií s énergiei kvantov 10-200 keV.