Formation and Extraction of H– Ions from Penning Discharge with Metal Hydride Cathodes in LMF and HMF Modes. East Eur. J. Phys. [Internet]. 2026 Jun. 10 [cited 2026 Oct. 24];(2):470-5. Available from: https://periodicals.karazin.ua/eejp/article/view/29384