Abdounur, Oscar João Department Structural Changes in Systems of Knowledge, Max Planck Institute for the History of Science, Max Planck Society;
http://edition-open-access.de/proceedings/11/16/index.html (全文テキスト（全般）)
Proceedings11Chap16.pdf (全文テキスト（全般）), 3MB
Abdounur, O. J. (2019). The Emergence of the Idea of real Number in the Context of Theoretical Music in the Renaissance. In J., Renn, & M., Schemmel (Eds.), Culture and Cognition: Essays in Honor of Peter Damerow (pp. 181-186). Berlin: Edition Open Access.
