Abdounur, Oscar João Department Structural Changes in Systems of Knowledge, Max Planck Institute for the History of Science, Max Planck Society;
https://hal.archives-ouvertes.fr/hal-01349247/document (全文テキスト（全般）)
Abdounur, O. J. (2016). The emergence of the idea of irrationality in theoretical music contexts in the Renaissance. In L., Radford, F., Furinghetti, & T., Hausberger (Eds.), History and pedagogy of mathematics (pp. 257-265). Montpelier: IREM de Montpellier.
