HASSANIEN, I.A.; ESSAWY, A.H.; MOURSY, N.M. Variable viscosity and thermal conductivity effects on heat transfer by natural convection from a cone and a wedge in porous media. Archives of Mechanics, Warsaw, Poland, v. 55, n. 4, p. 345–356, 2003. DOI: 10.24423/aom.134. Disponível em: https://am.ippt.pan.pl/index.php/am/article/view/v55p345. Acesso em: 19 nov. 2025.