1. [1] L. Adame, L. M. Rivera, and A. L. Trujillo-Negrete. Hamiltonicity of the double vertex graph and the complete double vertex graph of some join graphs, arXiv preprint arXiv:2007.00115, 2020.
2. [2] L. Adame, L. M. Rivera, and A. L. Trujillo-Negrete. Hamiltonicity of the token graphs of some join graphs. arXiv preprint arXiv:2101.01855, 2021.
3. [3] Y. Alavi, M. Behzad, P. Erdos, and D. R. Lick. Double vertex graphs. J. Combin. Inform. System Sci, 16(1):37–50, 1991.
4. [4] Y. Alavi, M. Behzad, and J. Simpson. Planarity of double vertex graphs. Graph theory, combinatorics, algorithms, and applications (San Francisco, CA, 1989), pages 472–485, 1991.
5. [5] Y. Alavi, D. R. Lick, and J. Liu. Survey of double vertex graphs. Graphs and Combinatorics, 18(4):709–715, 2002.