Steinle, F. Categorization and Experiment: Charles Dufay and the Two Electricities / Friedrich Steinle. Spaces of classification.(2003).
Chicago-referens (17:e uppl.)Steinle, Friedrich. "Categorization and Experiment: Charles Dufay and the Two Electricities / Friedrich Steinle." Spaces of Classification.(2003) .
MLA-referens (8:e uppl.)Steinle, Friedrich. "Categorization and Experiment: Charles Dufay and the Two Electricities / Friedrich Steinle." Spaces of Classification.(2003), .
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.