SEARCH Articles Figures Tables Absorption spectra of ions Absorption spectra of ions in solution Absorption spectra of ions solution Absorption spectra of lanthanide and actinide ions Actinides ions, absorption spectra Hobbs, R. J. M., Absorption Spectra of Crystals Containing Transition Metal Ions Ion spectra Ions in solution absorption spectra The absorption and fluorescence spectra of rare earth ions in solution The absorption andfluorescence spectra of rare earth ions in solution Transition metal ions absorption spectra