Jockers, K. Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society; MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society;
Jockers, K., Kiselev, N., Bonev, T., Rosenbush, V., Shakhovskoy, N., Kolesnikov, S., et al. (2005). CCD imaging and aperture polarimetry of comet 2P/Encke: are there two polarimetric classes of comets? Astronomy and Astrophysics, 441(2), 773-782. doi:10.1051/0004-6361:20053348.