INNER SHELL EXCITATION IN HIGHLY EXCITED SODIUM ATOMS FROM THE COMBINED USE OF SYNCHROTRON RADIATION AND TWO LASER BEAMS D. CUBAYNES, J.M. BIZAU, T. J. MORGAN, F.J. WUILLEUMIER, M. FERRAY, F. GOUNAND, P. D 'OLIVEIRA and P.R. FOURNIER J. Phys. Colloques, 48 C9 (1987) C9-513-C9-521 DOI: 10.1051/jphyscol:1987984