Helander, P. Stellarator Theory (ST), Max Planck Institute for Plasma Physics, Max Planck Society;
https://doi.org/10.1017/S0022377824000746 (Publisher version)
Helander, P., & Mackenbach, R. J. J. (2024). Available energy of plasmas with small fluctuations. Journal of Plasma Physics, 90(4): 905900401. doi:10.1017/S0022377824000746.