Amiot, Emmanuel (2013). "The Torii of phases". In Yust, J.; Wild, J.; Burgoyne, J.A. (eds.). Mathematics and Computation in Music. MCM 2013. Lecture Notes in Computer Science. Vol. 7937. Berlin, Heidelberg: Springer Berlin Heidelberg. pp. 1–18. arXiv:1208.4774. doi:10.1007/978-3-642-39357-0_1. ISBN9783642393563.
Baroin, Gilles (2011). "The planet-4D model: An original hypersymmetric music space based on graph theory". In Agon, C.; Andreatta, M.; Assayag, G.; Amiot, E.; Bresson, J.; Mandereau, J. (eds.). Mathematics and Computation in Music. MCM 2011. Lecture Notes in Computer Science. Vol. 6726. Berlin, Heidelberg: Springer. pp. 326–329. doi:10.1007/978-3-642-21590-2_25. ISBN9783642215896.
Amiot, Emmanuel (2013). "The Torii of phases". In Yust, J.; Wild, J.; Burgoyne, J.A. (eds.). Mathematics and Computation in Music. MCM 2013. Lecture Notes in Computer Science. Vol. 7937. Berlin, Heidelberg: Springer Berlin Heidelberg. pp. 1–18. arXiv:1208.4774. doi:10.1007/978-3-642-39357-0_1. ISBN9783642393563.
Siciliano, Michael (October 2005). "Toggling Cycles, Hexatonic Systems, and Some Analysis of Early Atonal Music". Music Theory Spectrum. 27 (2): 221–248. doi:10.1525/mts.2005.27.2.221.