- Buscema P.M. , Sacco P.L., Impossible worlds theory: applications in economics, keynote at 1st CICSE workshop, Pisa, 7-8 September 2017
- Buscema P.M. , Sacco P.L., Della Torre F., Massini G., Breda M., Ferilli G., Theory of Impossible Worlds. Toward a Physics of Information, submission to Chaos: An Interdisciplinary Journal of Nonlinear Science, 2018