Evolution of Seismic Velocities in Heavy Oil Sand Reservoirs during Thermal Recovery ProcessJ.-F. Nauroy, D.H. Doan, N. Guy, A. Baroni, P. Delage and M. MainguyOil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 67 6 (2012) 1029-1039DOI: https://doi.org/10.2516/ogst/2012027