<anchor xmlns="http://www.tei-c.org/ns/1.0" xml:id="docs-internal-guid-06697c10-7fff-41f9-64" /> <hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Ehberger, Markus</hi>. 2023. „From virtual oscillators to virtual transitions to virtual particles: Practices and representations in the formation of the virtual particle concept“. Phd.