Influence of the C/O ratio on titanium and vanadium oxides in protoplanetary disks M. Ali-Dib, O. Mousis, G. S. Pekmezci, J. I. Lunine, N. Madhusudhan and J.-M. Petit A&A, 561 (2014) A60 Published online: 23 December 2013 DOI: 10.1051/0004-6361/201321780