On the discovery of CO nighttime emissions on Titan by Cassini/VIMS: Derived stratospheric abundances and geological implications - Baines, K.; Drossart, P.; Lopez-Valverde, M.; Atreya, S.K.; Sotin, Christophe; Momary, T.W.; Brown, R.; Buratti, B.; Clark, R.; Nicholson, P. (Planetary and Space Science, 2006)