Bissaldi, E. High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;
Strong, A. W. High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;
Abdo, A. A., Ackermann, M., Ajello, M., Ampe, J., Anderson, B., Atwood, W. B., et al. (2009). The on-orbit calibration of the Fermi Large Area Telescope. Astroparticle Physics, 32(3-4), 193-219. doi:10.1016/j.astropartphys.2009.08.002.