@article{10_37236_4343,
     author = {Seog-Jin Kim and Boram Park},
     title = {Bipartite graphs whose squares are not chromatic-choosable},
     journal = {The electronic journal of combinatorics},
     year = {2015},
     volume = {22},
     number = {1},
     doi = {10.37236/4343},
     zbl = {1308.05050},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/4343/}
}