A comparative mid-infrared study of superconductor BETS4Hg2.84Br8 and metal BETS4Hg3Cl8 N. Drichko, B. Petrov, V.N. Semkin, R.M. Vlasova, O.A. Bogdanova, E.I. Zhilyaeva, R.N. Lyubovskaya, I. Olejniczak, H. Kobayashi et A. Kobayashi J. Phys. IV France, 114 (2004) 305-307 DOI: 10.1051/jp4:2004114066