Sierks, H. 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;
Schulz, R., Sierks, H., Kueppers, M., & Accomazzo, A. (2012). Rosetta fly-by at asteroid (21) Lutetia: An overview. Planetary and Space Science, 66, 2-8. doi:10.1016/j.pss.2011.11.013.