1. Free convection flow through a porous medium bounded by an infinite vertical porous plate with constant heat flux-reg;Raptis;J Energy Heat Mass Transf,1981
2. Free convection and mass transfer flow through a porous medium bounded by an infinite vertical porous plate with constant heat flux;Raptis;ZAAM,1982
3. Hydromagnetic free convection effects on the oscillatory flow of an electrically conducting rarefied gas past an infinite vertical porous plate;Raptis;Int J Engng Sci,1983
4. Asymptotic solution of an oscillatory flow through a porous medium;Singh;Int J Engng Sci,1986
5. Unsteady free convection with combined heat and mass transfer buoyancy effects through a porous medium with heat source/sink low frequency case;Hamid;Int J Theor Phys,1992