Conserved dynamics and interface roughening in spontaneous imbibition: A phase field modelM. Dubé, M. Rost, K. R. Elder, M. Alava, S. Majaniemi and T. Ala-NissilaEur. Phys. J. B, 15 4 (2000) 701-714DOI: https://doi.org/10.1007/s100510051175