CRPropa 3—a public astrophysical simulation framework for propagating extraterrestrial ultra-high energy particles - Alves Batista, R; Dundovic, A; Erdmann, M; Kampert, K; Kuempel, D; Muller, G; Sigl, G; van Vliet, A; Walz, D; Winchen, T (Journal of Cosmology and Astroparticle Physics, 2016)