Fiorentini, Erna Department Ideals and Practices of Rationality, Max Planck Institute for the History of Science, Max Planck Society;
Fiorentini, E. (2005). Observing nature - representing experience: practices and concepts 1800-1850. AHF-Information, 14, 1-5. Retrieved from http://www.ahf-muenchen.de/Tagungsberichte/Berichte/pdf/2005/014-05.pdf.