Anyone has any idea what he is using for the drawings?
source: https://link.springer.com/content/pdf/10.1007%2F978-3-319-41285-6.pdf
Other suggestions are welcome for "physics" drawings
source: https://link.springer.com/content/pdf/10.1007%2F978-3-319-41285-6.pdf
Other suggestions are welcome for "physics" drawings
