OPTICAL SPECTRA OF NaCl : Pb ++ AND KCl : Pb ++ J. L. PASCUAL, F. JAQUE, J. M. CABRERA et F. AGULLÓ-LÓPEZJ. Phys. Colloques, 37 C7 (1976) C7-137DOI: https://doi.org/10.1051/jphyscol:1976727
