Conserved dynamics and interface roughening in spontaneous imbibition: A phase field model M. Dubé, M. Rost, K. R. Elder, M. Alava, S. Majaniemi and T. Ala-Nissila Eur. Phys. J. B, 15 4 (2000) 701-714 Published online: 15 June 2000 DOI: 10.1007/s100510051175