Amplitudes of solar-like oscillations in red giants: Departures from the quasi-adiabatic approximationR. Samadi, K. Belkacem, M.-A. Dupret, M.J. Goupil, H.-G. Ludwig, C. Barban, F. Baudin and E. CaffauEPJ Web of Conferences, 43 (2013) 03008DOI: https://doi.org/10.1051/epjconf/20134303008