Strueder, L. High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;
Cargnelli, M., Ishiwatari, T., Kienle, P., Marton, J., Widmann, E., Zmeskal, J., et al. (2007). Kaonic hydrogen X-rays experiments at DAFNE. Canadian Journal of Physics, 85(5), 479-485.