Photochemistry of CH hydrocarbons in Titan’s stratosphere revisited E. Hébrard, M. Dobrijevic, J. C. Loison, A. Bergeat, K. M. Hickson and F. Caralp A&A, 552 (2013) A132 Published online: 16 April 2013 DOI: 10.1051/0004-6361/201220686