In memory of Mikhail Ivanovich Petrov D. A. Balaev, K. A. Shaykhutdinov, D. M. Gokhfeld, S. I. Popkov, Yu. S. Gokhfeld, A. A. Dubrovskiy, S. V. Semenov 5-9 Analysis of the efficiency of beryllium as a material for cryogenic current leads Yu. L. Buyanov, N. N. Balashov 10-21 Fatigue degradation of the current-carrying capacity of HTS-2 tapes during cyclic perpendicular compression A. V. Krivykh, V. V. Guryev, K. V. Moseev 23-32 Development of a technology for vacuum impregnation of a high-current conductor based on high-temperature superconductors V. S. Budachenkov, A. A. Nosov, D. S. Kaverin, S. S. Fetisov, V. S. Vysotsky 33-40 Study of the voltage-current characteristics of HTS tape stacks soldered with indium-tin solder S. Yu. Zanegin, S. S. Fetisov, V. V. Zubko, D. S. Dezhin, D. V. Ilnitsky, A. A. Ivanushkin, V. S. Vysotsky 42-50 Thermal conductivity of HTS assemblies based on soldered and adhesive joints at cryogenic temperatures I. V. Martirosian, A. Yu. Malyavina, M. A. Balakina, S. V. Pokrovskii 51-63 Telegram journal group