AN EXPERIMENTAL TEST OF THE RIGID-MUFFIN-TIN APPROXIMATION USED IN THE THEORY OF ELECTRON-PHONON INTERACTION W. Ruesink, J. de Wilde, R. Griessen et M. J.G. LeeJ. Phys. Colloques, 39 C6 (1978) C6-1097-C6-1098DOI: https://doi.org/10.1051/jphyscol:19786486
