@article{10_37236_1757,
     author = {Dmitry Fon-Der-Flaass and Douglas B. West},
     title = {Graphic and protographic lists of integers},
     journal = {The electronic journal of combinatorics},
     year = {2004},
     volume = {11},
     number = {1},
     doi = {10.37236/1757},
     zbl = {1031.05037},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1757/}
}