Nuclear magnetic resonance measurement of hydrodynamic dispersion in porous media: preasymptotic dynamics, structure and nonequilibrium statistical mechanicsS.L. Codd and J.D. SeymourEur. Phys. J. Appl. Phys., 60 2 (2012) 24204DOI: https://doi.org/10.1051/epjap/2012120199