Response funciton of a germanium detector to photon energies between 6 and 120 keV - Zevallos-Chavez, J Y; Cruz, Manoel Tiago Freitas da; Martins, Marcos Nogueira; Likhachev, Vladimir Petrovich; Zamboni, C B; Camargo, S P; Genezini, Frederico Antonio; Medeiros, J A G; Hindi, M M (Nuclear Instruments and Methods in Physics Research A, 2001)