@inbook{81fa28460380435eac9b13b385b3c266,
  title     = "Singing numbers... In cognitive space",
  publisher = "Society for the Study of Artificial Intelligence and Simulation of Behaviour",
  author    = "M.H. Fischer and M. Riello and E. Rusconi and B.L. Giordano",
  year      = "2010",
  pages     = "16-17",
  booktitle = "Proceedings of the International Symposium on Mathematical Practice and Cognition",
}