Flint, C.D. and Lang, Peter F. (1987) Substitution reactions and luminescence spectra of the mixed complexes [ReClxBr6–x]2–. Journal of the Chemical Society, Dalton Transactions 8 , pp. 1929-1932. ISSN 1472-7773.

Lang, Peter F. and Flint, C.D. (1986) Infrared and visible luminescence spectra of TcCl 2–6 and TcBr 2–6 in cubic crystals. Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics 82 (4), pp. 465-472. ISSN 0300-9238.

Lang, Peter F. and Flint, C.D. (1986) Luminescence spectra of the mixed complexes [TcClxBr6–x]2–. Journal of the Chemical Society, Dalton Transactions 5 , pp. 921-923. ISSN 1472-7773.

Flint, C.D. and Lang, Peter F. (1981) Infrared and visible luminescence of TcX2−6 in cubic crystals. Journal of Luminescence 24/25 (1), pp. 301-304. ISSN 0022-2313.