The previous page is sending you to https://www.semanticscholar.org/paper/Rydberg-gas-theory-of-a-glow-discharge-plasma%3A-II.-Mason/c1d5871deb5c3f56a4f8f7ec7eea7382c32e1bcd/figure/0.

 If you do not want to visit that page, you can return to the previous page.