DETERMINATION OF DENSITIES OF VALENCE STATES BY THE COMBINED USE OF UV AND X-RAY PHOTOEMISSION N. J. SHEVCHIK, J. TEJEDA, M. CARDONA et D. W. LANGERJ. Phys. Colloques, 34 C6 (1973) C6-45-C6-49DOI: https://doi.org/10.1051/jphyscol:1973611