@article{El-Amin_2007 author = {Mohamed F. El-Amin and Ibrahim Abbas and R.S.R. Gorla}, title = {Effects of Thermal Radiation on Natural Convection in a Porous Medium}, journal = {International Journal of Fluid Mechanics Research}, issn = {2152-5102}, year = {2007}, volume = {34}, number = {2}, pages = {129--144} }