PHOTOELECTRON SPECTROSCOPY OF ATOMIC Ca IN THE 2p-EXCITATION RANGE M. MEYER, T. PRESCHER, E. v. RAVEN, M. RICHTER et B. SONNTAGJ. Phys. Colloques, 48 C9 (1987) C9-543-C9-546DOI: https://doi.org/10.1051/jphyscol:1987990