Onset and non-linear regimes of Soret-induced convection in binary mixtures heated from above T. Lyubimova, N. Zubova and V. Shevtsova Eur. Phys. J. E, 40 3 (2017) 27 Published online: 15 March 2017 DOI: 10.1140/epje/i2017-11517-5