A coincident gamma-ray spectrometer and its application to measurements of low level radioactivity.
D007454:Iodides; D011874:Radiometry / Q000295:instrumentation*; D011883:Radium; D013793:Thallium; D013910:Thorium; D014501:Uranium
D007454:Iodides; D014501:Uranium; D013910:Thorium; D013793:Thallium; D011883:Radium