Real-Time Imaging Reveals Distinct Pore-Scale Dynamics During Transient and Equilibrium Subsurface Multiphase Flow - Spurin, C; Bultreys, T; Rucker, M; Garfi, G; Schleputz, CM; Novak, V; Berg, S; Blunt, MJ; Krevor, S (WATER RESOURCES RESEARCH, 2020)