TY  - RPRT
TI  - Invasion percolation in a hydrostatic or permeability gradient: Experiments and simulations.
AU  - M Chaouche
AU  - N Rakotomalala
AU  - D Salin
AU  - B Xu
AU  - YC Yortsos
PY  - 1994
DO  - 10.1103/physreve.49.4133
UR  - https://pubmed.ncbi.nlm.nih.gov/9961702/
ID  - 9961702
ER  -