1. Baecher, G. B., Lanney, N. A., and Einstein, H. H., 1977, Statistical descriptions of rock properties and sampling,Proc. 18th U.S. Sympos. Rock Mechanics, Vol. 5C1, pp. 1?8.
2. Barton, C. C. and Larson, E., 1985, Fractal geometry of two-dimensional fracture networks at Yucca Mountain, southwestern Nevada,Proc. Internat. Sympos. Fundamentals of Rock Joints, Bjorkliden, 15?20 September 1985, pp.77?84.
3. Bear, J., Braester, C., and Menier, P. C., 1987, Effective and relative permeabilities of anisotropic porous media,Transport in Porous Media 2, 301?316.
4. Bernasconi, J., 1974, Conduction in anisotropic disordered systems: effective-medium theory,Phys. Rev. B9, 4575?4579.
5. Bruggeman, D. A. G., 1935, Berechnung verschiedener physikalischer Konstanten von heterogenen Substanzen,Ann. Phys. 24, 636?679.