The Secondary and Tertiary Rays from Chemical Elements of Small Atomic Number Due to Primary X-Rays from a Molybdenum Target

od Clark, George L., Duane, Wm., Stifler, W. W.
Wydane 1924

The Influence on Secondary X-Ray Spectra of Placing the Tube and Radiator in a Box

od Armstrong, Alice H., Duane, William, Stifler, W. W.
Wydane 1924