TY - JOUR ID - 10442/7029 A1 - Papavassiliou, G. C. A1 - A1 - Mousdis, G. A. A1 - A1 - Terzis, A. A1 - A1 - Raptopoulou, C. P. Y1 - 1999/// T1 - Excitonic bands in the optical absorption spectra of (Bu4N)CuBr2, (Et4N)(2)Cu2Br4, (Pr4N)(2)Cu4Br6, (Bu4N)(2)Cu2I4, (Me4N)Cu2I3, (Pr4N)(4)Ag4I8, (Me4N)Ag2I3, (Et4N)Ag2Br3, and similar compounds JF - Zeitschrift fuer Naturforschung. Section B: A Journal of Chemical Sciences VL - 54 IS - 1 SN - 0932-0776 PB - Verlag der Zeitschrift fuer Naturforschung SP - 109–112EP - UR - https://hdl.handle.net/10442/7029 ER -