Feuchtgruber, H. Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;
Encrenaz, T., Lellouch, E., Drossart, P., Feuchtgruber, H., Orton, G. S., & Atreya, S. K. (2003). First detection of CO in Uranus. Astronomy & Astrophysics, 413(2), L5-L9. doi:10.1051/0004-6361:20034637.