Multiphase Flows in Sandstones> Herring, Anna L., Robins, Vanessa and Sheppard, Adrian P.. Topological Persistence of Pore Space and Nonwetting Phase in Sandstones. Water Resources Research. 2018. Links https://doi.org/10.1029/2018WR022780 DOI: 10.1029/2018WR022780