Measurement of Diffusion in Liquids within Porous Solids by X-Ray Microradiography: Determination of Errors and Optimization of Experimental Conditions Stephanie E. P. Dowker, Paul Anderson and James C. ElliottMicrosc. Microanal. Microstruct., 6 2 (1995) 187-203DOI: https://doi.org/10.1051/mmm:1995118