Müller, T. G. Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;
Carry, B., Kaasalainen, M., Merline, W., Müller, T. G., Jorda, L., Drummond, J., et al. (2012). Shape modeling technique KOALA validated by ESA Rosetta at (21) Lutetia. Planetary and Space Science, 66(1), 200-212. doi:10.1016/j.pss.2011.12.018.