AZIMUTHALLY-DEPENDENT X-RAY ABSORPTION NEAR EDGE STRUCTURE FOR SULPHUR ADSORBED ON NICKEL (110) D. NORMAN, C.H. RICHARDSON, D.R. WARBURTON, G. THORNTON, R. McGRATH et F. SETTE J. Phys. Colloques, 47 C8 (1986) C8-525-C8-527 DOI: 10.1051/jphyscol:1986898