en Adams, Peter; Eggleton, Roger B.; MacDougall, James A. (), „Taxonomy of graphs of order 10”(PDF), Proceedings of the Thirty-Seventh Southeastern International Conference on Combinatorics, Graph Theory and Computing, Congressus Numerantium, 180: 65–80, MR2311249
fr Kreweras, Germain (), „Complexité et circuits eulériens dans les sommes tensorielles de graphes” [Complexity & Eulerian circuits in graphic tensorial sums], Journal of Combinatorial Theory, Series B, 24 (2): 202–212, doi:10.1016/0095-8956(78)90021-7, MR0486144
en Laradji, A.; Umar, A. (), „Combinatorial results for the symmetric inverse semigroup”, Semigroup Forum, 75 (1): 221–236, doi:10.1007/s00233-007-0732-8, MR2351933
fr Kreweras, Germain (), „Complexité et circuits eulériens dans les sommes tensorielles de graphes” [Complexity & Eulerian circuits in graphic tensorial sums], Journal of Combinatorial Theory, Series B, 24 (2): 202–212, doi:10.1016/0095-8956(78)90021-7, MR0486144
en Laradji, A.; Umar, A. (), „Combinatorial results for the symmetric inverse semigroup”, Semigroup Forum, 75 (1): 221–236, doi:10.1007/s00233-007-0732-8, MR2351933
en Adams, Peter; Eggleton, Roger B.; MacDougall, James A. (), „Taxonomy of graphs of order 10”(PDF), Proceedings of the Thirty-Seventh Southeastern International Conference on Combinatorics, Graph Theory and Computing, Congressus Numerantium, 180: 65–80, MR2311249