TY - RPRT TI - Directed random walks on directed percolation clusters. AU - Xiao-Hong Wang AU - Ehud Perlsman AU - Shlomo Havlin PY - 2003 DO - 10.1103/physreve.67.050101 UR - https://pubmed.ncbi.nlm.nih.gov/12786119/ ID - 12786119 ER -