History and Philosophy of Physics 5 JAN, 2015 Extensive Air Showers and Ultra High-Energy Cosmic Rays: A Historical Review By Karl-Heinz Kampert
High Energy Astrophysics 5 JAN, 2015 The time derivative of the kilohertz quasi-periodic oscillations in 4U 1636-53 By Andrea Sanna (1)
High Energy Astrophysics 5 JAN, 2015 Discovery of an X-ray cavity near the radio lobes of Cygnus A indicating previous AGN activity By Gayoung Chon
Astrophysics of Galaxies 5 JAN, 2015 Suppression of X-rays during an optical outburst of the helium dwarf nova KL Dra By Gavin Ramsay (1)
