Aktar, S., M. B. M. Ruma, and M. A. Alim. “Effects of Viscous Dissipation on Natural Convection Flow Along a Sphere With Radiation and Heat Generation”. Journal of Naval Architecture and Marine Engineering, vol. 10, no. 1, June 2013, pp. 13-24, doi:10.3329/jname.v10i1.12809.