Transition on local temperature fluctuations in highly turbulent convection F. Gauthier, J. Salort, O. Bourgeois, J.-L. Garden, R. du Puits, A. Thess and P.-E. Roche EPL, 87 4 (2009) 44006 Published online: 15 September 2009 DOI: 10.1209/0295-5075/87/44006