1. Determination of the apparent diffusion constants in water containing granular solids;Das;Appl. Radiat. Isot.,1989
2. Measurements of radionuclide diffusion in ocean floor sediment and clay;Schreiner;Nucl. Technol.,1982
3. Migration of the fission products strontium, technetium, iodine and cesium in clay;Torstenfeld;Radiochim. Acta,1986