Ahlers, G.; Funfschilling, D.; Bodenschatz, E.: Heat transport by turbulent Rayleigh-Bénard convection for Pr ≃ 0.8 and 3 × 10 12 ≲ Ra ≲ 10 15: Aspect ratio Γ = 0.50. 13th European Turbulence Conference (ETC 13), Warschau/Polen, September 12, 2011 - September 15, 2011. Journal of Physics 318, 082001, (2011)