Gruenwald, Johannes. “On the Significance of the External Circuit, Langmuir and Bohm Criterion for the Stability of Plasma Fireballs”. The Journal of Technological and Space Plasmas 4, no. 1 (May 4, 2023): 133-139. Accessed September 21, 2023. https://jtsp.eu/jtsp/article/view/28.