@article{10_37236_3034,
     author = {Arnab Bhattacharyya and Jeff Kahn},
     title = {A bipartite graph with non-unimodal independent set sequence},
     journal = {The electronic journal of combinatorics},
     year = {2013},
     volume = {20},
     number = {4},
     doi = {10.37236/3034},
     zbl = {1295.05172},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/3034/}
}