[Gamma-ray spectrometer with shielding system using contemporary steel (author's transl)].
D000497:Alloys; D001417:Background Radiation; D011835:Radiation Protection / Q000379:methods*; D011868:Radioisotopes / Q000032:analysis; D013051:Spectrometry, Gamma / Q000295:instrumentation*; D013232:Steel
D000497:Alloys; D011868:Radioisotopes; D013232:Steel