Han, C. Y., Yin, B., Tang, D. S., Lin, W., & Wu, Y. S. (1998). Superconductivity above 250 K in Tl_1.8Ba_2.0Ca_2.6Cu_3.0O_10+dat high pressure. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, 24(4), 305–308. https://doi.org/10.1063/1.593590