Otto H.H., Baltrasch R., Brandt H.J. (1993). «Further evidence for Tl3+ in Tl-based superconductors from improved bond strength parameters involving new structural data of cubic Tl2O3». Physica C. 215: 205. doi:10.1016/0921-4534(93)90382-Z !CS1 manut: Nomes múltiplos: lista de autores (link)