Title: Materialy XX Vsesoi͡uznogo soveshchanii͡a po fizike vzaimodeĭstvii͡a zari͡azhennykh chastit͡s s kristallami, Moskva, 28-30 mai͡a 1990 g
Subjects: Congresses, Crystals, Effect of radiation on, Ion implantation, Particle beams, Solids