Microscopic arrangement of oil and water in sandstone by NMR relaxation times and NMR imagingS Bobroff, G Guillot, C Rivière, L Cuiec, JC Roussel and G KassabJ. Chim. Phys., 92 (1995) 1885-1889DOI: https://doi.org/10.1051/jcp/1995921885