This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Fa STTDmethod zTau frntBack z. en STTD for finite travelling source pulse propagating along semiinfinite radiator isin infty own Ajsmirnov cczero Uploaded with Uncategorized July
Page 2023 Free-images.com. All images are Public Domain