Clean surface studies by photoelectron diffraction analysed within a single scattering theory D. Sébilleau, G. Tréglia, M.C. Desjonquères, D. Spanjaard, C. Guillot, D. Chauveau and J. Lecante J. Phys. France, 49 2 (1988) 227-236 DOI: 10.1051/jphys:01988004902022700