Pinning by directed percolation
Lei-Han Tang and Heiko Leschhorn
Phys. Rev. A 45, R8309(R) (1992) - Published 1 June, 1992
Anomalous interface roughening in porous media: Experiment and model
S. V. Buldyrev, A.-L. Barabási, F. Caserta, S. Havlin, H. E. Stanley, and T. Vicsek
Phys. Rev. A 45, R8313(R) (1992) - Published 1 June, 1992