Sereda, Ihor, Yaroslav Hrechko, and Ievgeniia Babenko. 2021. “The Plasma Parameters of Penning Discharge With Negatively Biased Metal Hydride Cathode at Longitudinal Emission of H– Ions”. East European Journal of Physics, no. 3 (September), 81-86. https://doi.org/10.26565/2312-4334-2021-3-12.