@article{10_37236_1130,
     author = {Leah Wrenn Berman},
     title = {Movable \((n_4)\) configurations},
     journal = {The electronic journal of combinatorics},
     year = {2006},
     volume = {13},
     doi = {10.37236/1130},
     zbl = {1109.51003},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1130/}
}