Discrimination of Nuclear Explosions against Civilian Sources Based on Atmospheric Xenon Isotopic Activity Ratios - Martin B. Kalinowski; Anders Axelsson; Marc Bean; Xavier Blanchard; Theodore W. Bowyer; Guy Brachet; Simon Hebel; Justin I. McIntyre; Jana Peters; Christoph Pistner; Maria Raith; Anders Ringbom; et al. (Pure and Applied Geophysics, 2010)