Roll, Reinhard MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society; Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society;
Witte, L., Roll, R., Biele, J., Ulamec, S., & Jurado, E. (2016). Rosetta lander Philae - Landing performance and touchdown safety assessment. Acta Astronaut., 125, 149-160. doi:10.1016/j.actaastro.2016.02.001.