Holm, N. G., Cairns-Smith, A. G., Daniel, R. M., Ferris, J. P., Hennet, R. J. C., Shock, E. L., Simoneit, B. R. T., and Yanagawa, H., 1992, “Future Research,” "*Marine Hydrothermal Systems and the Origin of Life*", N.G.Holm, ed., Kluwer Academic, Dordrecht.

Kaviany, M., 1995, "*Principles of Heat Transfer in Porous Media*", Springer, New York.

Sahimi, M., 1995, "*Flow and Transport in Porous Media and Fractured Rock*", VCH, Weinheim.

Helmig, R., 1997, "*Multiphase Flow and Transport Processes in the Subsurfaces*", Springer-Verlag, Berlin.

Koponen, A., Kandhai, D., Hellen, E., Alava, M., Hoekstra, A., Kataja, M., Niskanen, K., Sloot, P., and Timonen, J., 1998, “Permeability of Three Dimensional Random Fiber Webs,” Phys. Rev. Lett.

[CrossRef], 80 , pp. 716–719.

King, P. R., Buldyrev, S. V., Dokholyan, N. V., Havlin, S., Lee, Y., Paul, G., and Stanley, H. E., 1999, “Applications of Statistical Physics to the Oil Industry: Predicting Oil Recovery Using Percolation Theory,” Physica A

[CrossRef], 274 , pp. 60–66.

Dando, P. R., Stuben, D., and Varnavas, S. P., 1999, “Hydrothermalism in the Mediterranean Sea,” Prog. Oceanogr.

[CrossRef], 44 , pp. 333–367.

Nield, D. A., and Bejan, A., 2006, "*Convection in Porous Media*", Springer, New York.

Poulikakos, D., 1985, “A Departure From Darcy Model in Boundary Layer Natural Convection in a Vertical Porous Layer With Uniform Heat Flux from the Side,” J. Heat Transfer, 107 , pp. 716–720.

Nithiarasu, P., Seetharamu, K. N., and Sundararajan, T., 1997, “Natural Convective Heat Transfer in the Fluid Saturated Variable Porosity Medium,” Int. J. Heat Mass Transfer

[CrossRef], 40 , pp. 3955–3967.

Baytas, A. C., and Pop, I., 2002, “Free Convection in a Square Porous Cavity Using a Thermal Non-Equilibrium Model,” Int. J. Therm. Sci.

[CrossRef], 41 , pp. 861–870.

Walker, K. L., and Homsy, G. M., 1978, “Convection in Porous Cavity,” J. Fluid Mech.

[CrossRef], 87 , pp. 449–474.

Saeid, N. F., and Pop, I., 2004, “Transient Free Convection in a Square Porous Cavity Filled With Porous Medium,” Int. J. Heat Mass Transfer, 47 , pp. 1917–1924.

Ni, J., and Beckermann, C., 1991, “Natural Convection in a Vertical Enclosure Filled With Anisotropic Porous Media,” ASME J. Heat Transfer

[CrossRef], 113 , pp. 1033–1037.

Degan, G., Vasseur, P., and Bilgen, E., 1995, “Convective Heat Transfer in a Vertical Anisotropic Porous Layer,” Int. J. Heat Mass Transfer

[CrossRef], 38 , pp. 1975–1987.

Degan, G., and Vasseur, P., 1996, “Natural Convection in a Vertical Slot Filled With an Anisotropic Porous Medium With Oblique Principal Axes,” Numer. Heat Transfer, Part A, 30 , pp. 397–412.

Dhanasekaran, M. R., Das, S. K., and Venkateshan, S. P., 2002, “Natural Convection in a Cylindrical Enclosure Filled With Heat Generating Anisotropic Porous Medium,” ASME J. Heat Transfer

[CrossRef], 124 , pp. 203–207.

Bera, P., Eswaran, V., and Singh, P., 1998, “Numerical Study of Heat and Mass Transfer in an Anisotropic Porous Enclosure Due to Constant Heating and Cooling,” Numer. Heat Transfer, Part A, 34 , pp. 887–905.

Bera, P., and Khalili, A., 2002, “Double-Diffusive Natural Convection in an Anisotropic Porous Cavity With Opposing Buoyancy Forces: Multi-Solutions and Oscillations,” Int. J. Heat Mass Transfer, 45 , pp. 3205–3222.

Lage, J. I., and Bejan, A., 1993, “The Resonance of Natural Convection in an Enclosure Heated Periodically From the Side,” Int. J. Heat Mass Transfer

[CrossRef], 36 , pp. 2027–2038.

Sarris, I. E., Lekakis, I., and Vlachos, N. S., 2002, “Natural Convection in a 2D Enclosure With Sinusoidal Upper Wall Temperature,” Numer. Heat Transfer, Part A

[CrossRef], 42 , pp. 513–520.

Bilgen, E., and Yedder, R. B., 2007, “Natural Convection in Enclosure With Heating and Cooling by Sinusoidal Temperature Profiles on One Side,” Int. J. Heat Mass Transfer

[CrossRef], 50 , pp. 139–150.

Saeid, N. F., 2005, “Natural Convection in Porous Cavity With Sinusoidal Bottom Wall Temperature Variation,” Int. Commun. Heat Mass Transfer

[CrossRef], 32 , pp. 454–463.

Basak, T., Roy, S., Poul, T., and Pop, I., 2006, “Natural Convection in a Square Cavity Filled With a Porous Medium: Effect of Various Thermal Boundary Conditions,” Int. J. Heat Mass Transfer

[CrossRef], 49 , pp. 1430–1441.

Zahmatkesh, I., 2008, “On the Importance of Thermal Boundary Conditions in Heat Transfer and Entropy Generation for Natural Convection Inside a Porous Enclosure,” Int. J. Therm. Sci., 47 , pp. 339–346.

Patera, A. T., 1984, “A Spectral Element Method for Fluid Dynamics: Laminar Flow in a Channel Expansion,” J. Comput. Phys.

[CrossRef], 54 , pp. 468–488.

Canuto, C., Hussaine, M. Y., Quarteroni, A., and Zang, T. A., 1986, "*Spectral Method in Fluid Dynamics*", Springer, New York.

Neale, G., 1977, “Degrees of Anisotropy for Fluid Flow and Diffusion (Electrical Conduction) Through Anisotropic Porous Media,” AIChE J.

[CrossRef], 23 , pp. 56–62.

Wooding, R. A., 1976, “Large-Scale Geothermal Field Parameters and Convection Theory,” Second Workshop Geothermal Reservoir Engineering , December 1–3, Stanford University, Stanford, pp. 339–345.

Tyvand, P. A., and Storesletten, L., 1991, “Onset of Convection in an Anisotropic Porous Medium With Oblique Principal Axes,” J. Fluid Mech.

[CrossRef], 226 , pp. 371–382.

Storesletten, L., 1998, “Effects of Anisotropy on Convective Flow Through Porous Media,” "*Transport Phenomena in Porous Media*", D.B.Ingham and I.Pop, eds., Pergamon, Oxford, pp. 261–283.

Tyvand, P. A., 1980, “Thermohaline Instability in Anisotropic Porous Media,” Water Resour. Res., 16 , pp. 325–330.

Lauriat, A., and Prasad, V., 1989, “Non-Darcian Effects on Natural Convection in a Vertical Porous Enclosure,” Int. J. Heat Mass Transfer

[CrossRef], 32 , pp. 2135–2148.

Bera, P., and Khalili, A., 2007, “Stability of Buoyancy Opposed Mixed Convection in a Vertical Channel and Its Dependency on Permeability,” Adv. Water Resour., 30 , pp. 2296–2308.