Experimenters: 
Wildenschild, Jansik, Schaap
Porous Medium: 
crushed volcanic tuff (8/20 sand)
Experiment: 
Fast/slow drainage/imbibition between equilibrium points only 
Publication: 
Wildenschild, D., K.A. Culligan, B.S.B. Christensen, 2004. Application of x-ray microtomography to environmental fluid flow problems. in Developments in X-Ray Tomography IV, ed. U. Bonse, Proceedings of SPIE Vol. 5535 (SPIE, Bellingham, WA, 2004), 432-441.
SIAM Geosciences, Leipzig, 2009.