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