FISCHER K, ROJEK A, THIERFELDT S, LIPPERT H. Tracking the formation of 2223 BiSrCaCu oxygen compounds by resistivity and susceptibility measurements reaching T_c(0) = 115 K. Fiz. Nizk. Temp. [інтернет]. 10, Травень 1990 [цит. за 11, Листопад 2025];16(5):607-. доступний у: http://80.92.230.95/index.php/fnt/article/view/f16-0607e