Electronic spectra of molecules and ions in crystals : Donald S. McClure. McClure, Donald S. Cristale. Spectre moleculare. 548.81 MCE Pt. 1. Molecular crystals. -- Pt. 2. Spectra of ions in crystals. New York ; London : Academic Press, c1959. c1959. Text [ 4 ], 175 p. : eng Solid state reprints.