What is the Origin of the Water Vapour Signatures in Red Giant Stars? M. Farzone, N. Ryde, G.M. Harper, J. Lambert, E. Josselin, M. J. Richter and K. Eriksson EAS Publications Series, 60 (2013) 155-159 Published online: 23 May 2013 DOI: 10.1051/eas/1360017