Keller, H. U. 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;
Combi, M. R., Brown, M. E., Feldman, P. D., Keller, H. U., Meier, R. R., & Smyth, W. H. (1998). Hubble Space Telescope ultraviolet imaging and high-resolution spectroscopy of water photodissociation products in comet Hyakutake (C/1996 B2). Astrophysical Journal, 494, 816-821.