1. Castinel, G. and Combarnous, M., 1974, Critère d'apparition de la convection naturelle dans une couche poreuse anisotrope horizontale,C.R. Acad. Sci. Ser. B 287, 701?704.
2. Epherre, J. F., 1975, Critère d'apparition de la convection naturelle dans une couche poreuse anisotrope,Rev. Thermique 168, 949?950.
3. Kvernvold, O. and Tyvand, P. A., 1979, Nonlinear thermal convection in anisotropic porous media,J. Fluid Mech. 90, 609?624.
4. McKibbin, R., 1984, Thermal convection in layered and anisotropic porous media: A review, in R. A. Wooding and I. White (eds),Convective Flows in Porous Media, DSIR, Wellington, New Zealand, pp. 113?127.
5. McKibbin, R., 1986, Thermal convection in a porous layer: Effects of anisotropy and surface boundary conditions,Transport in Porous Media 1, 271?292.