@article{10_37236_989,
     author = {Yvan Le Borgne and Jean-Fran\c{c}ois Marckert},
     title = {Directed animals and gas models revisited},
     journal = {The electronic journal of combinatorics},
     year = {2007},
     volume = {14},
     doi = {10.37236/989},
     zbl = {1157.82332},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/989/}
}