. . "Porous materials Fluid dynamics." . . "Diffusion." . . "Geological Survey (U.S.)," . . . . . . . . . . . . . "Transverse diffusion in saturated isotropic granular media"@en . "Transverse diffusion in saturated isotropic granular media" . . . . . . . . "Transverse diffusion in saturated isotropic granular media : fluid movement in earth materials" . "Granular materials." . . "Dispersion." . .