1. Afraimovich, V. S., Bykov, V. V., and Shilnikov, L. P., The Origin and Structure of the Lorenz Attractor, Dokl. Akad. Nauk SSSR, 1977, vol. 234, no. 2, pp. 336–339 (Russian).
2. Afraimovich, V. S., Bykov, V. V., and Shil’nikov, L. P., On Attracting Structurally Unstable Limit Sets of Lorenz Attractor Type, Trans. Mosc. Math. Soc., 1982, vol. 44, pp. 153–216; see also: Trudy Moskov. Mat. Obshch., 1982, vol. 44, pp. 150-212.
3. Barrio, R., Blesa, F., Serrano, S., and Shilnikov, A., Global Organization of Spiral Structures in Biparameter Space of Dissipative Systems with Shilnikov Saddle-Foci, Phys. Rev. E, 2011, vol. 84, no. 3, 035201, 5 pp.
4. Barrio, R., Shilnikov, A., and Shilnikov, L., Kneadings, Symbolic Dynamics and Painting Lorenz Chaos, Internat. J. Bifur. Chaos Appl. Sci. Engrg., 2012, vol. 22, no. 4, 1230016, 24 pp.
5. Barros, D., Bonatti, Ch., and Pacifico, M. J., Up, Down, Two-Sided Lorenz Attractor, Collisions, Merging and Switching, arXiv:2101.07391 (2021).