Fizika Tverdogo Tela, 1990 Volume 32, Issue 2,Pages 448–455(Mi ftt5920)
Reflection spectra of conducting and superconducting organic crystals $\alpha,\beta$-$(\mathrm{BEDT}$–$\mathrm{TTF})_{2}\mathrm{I}_{3},\kappa$-$(\mathrm{BEDT}$–$\mathrm{TTF})_{2}\mathrm{Cu}(\mathrm{SCN})_{2}$ in the region of intramolecular electronic transitions