@ARTICLE {33120,
author={L.M. Távora},
doi={10.1016/s0168-583x(98)00373-5},
journal={Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms},
title={Photon production using a low energy electron expansion of the EGS4 code system},
year={1998},
month={September},
volume={143},
number={3},
pages={253-271},
ISSN={0168-583X}
}