Abdounur, Oscar João Department Structural Changes in Systems of Knowledge, Max Planck Institute for the History of Science, Max Planck Society;
Abdounur, O. J. (2000). Theories of ratio and theoretical music: an educational approach. In Proceedings of the HPM 2000 Conference History in Mathematics Education: challenges for the new millenium (pp. 83-93). Taipei: National Taiwan Normal Univ.