3D Gray Radiative Properties of Accretion Shocks in Young Stellar Objects L. Ibgui, S. Orlando, C. Stehlé, J.-P. Chièze, I. Hubeny, T. Lanz, L. de Sá, T. Matsakos, M. González and R. Bonito EPJ Web of Conferences, 64 (2014) 04005 Published online: 08 January 2014 DOI: 10.1051/epjconf/20136404005