Infrared optical properties of the new organic conductors family (ET)8[ Hg2X6(C6H5Y)] 2 (X, Y = Cl, Br) M. G. Kaplunov et R. N. Lyubovskaya J. Phys. I France, 2 9 (1992) 1811-1818 DOI: 10.1051/jp1:1992247