Abstract of the paper ``Relationship between specific surface area and spatial correlation functions for anisotropic porous media''

A result of Debye, Anderson, and Brumberger for isotropic porous media states that the derivative of the two-point spatial correlation at the origin is equal to minus one-quarter of the specific surface area. This result is generalized for non-isotropic media by noting that the angular average of the anisotropic two-point spatial correlation function has the same relationship to the specific surface area.

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