Schäfer, Björn Malte. Tooltips for Theoretical Physics: Concepts of Modern Theoretical Physics, Scales and Mathematical Tools. Lecture Notes. Heidelberg: Heidelberg University Publishing, 2022. Zugegriffen Juli 6, 2025. https://heiup.uni-heidelberg.de/catalog/book/1059.