S. Lazzari; A. Barletta; E. Magyari; F. Piccinini, Dual solutions for viscous mixed convection flows in a vertical circular duct: a numerical benchmark, in: Proceedings of the European Comsol Conference 2007, GRENOBLE & PARIS, Comsol France, 2007, 1, pp. 343 - 349 (atti di: European Comsol Conference 2007, Grenoble, October, 23-24, 2007) [Contributo in Atti di convegno]