^Poineau, Frederic; Rodriguez, Efrain E.; Forster, Paul M.; Sattelberger, Alfred P.; Cheetham, Anthony K.; Czerwinski, Kenneth R. Preparation of the Binary Technetium Bromides: TcBr3 and TcBr4. Journal of the American Chemical Society (American Chemical Society (ACS)). 2009-01-28, 131 (3): 910–911. ISSN 0002-7863. doi:10.1021/ja808597r.