@article{articled880e882,
title   = {Local and global survival for nonhomogeneous random walk systems on Z},
author = {Bertacchi, Daniela and Machado, Fábio Prates and Zucca, Fabio},
year = {2014},
doi = {10.1239/aap/1396360113},
journal   = {Advances in Applied Probability}
}