@article{10_4153_CJM_1973_040_1,
     author = {Biggs, Norman},
     title = {Three {Remarkable} {Graphs}},
     journal = {Canadian journal of mathematics},
     pages = {397--411},
     year = {1973},
     volume = {25},
     number = {2},
     doi = {10.4153/CJM-1973-040-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1973-040-1/}
}