%0 Journal Article %A P. C. Ram %T Effects of Hall current on free convenction and mass transfer flow through a porous medium %J Theoretical and applied mechanics %D 1988 %P 139 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAM_1988_14_1_a13/ %F TAM_1988_14_1_a13