PROTON EXCITATION OF THE 2s2 2p5 2 P3/2 -2s22p5 2P1/2 TRANSITION IN FLUORINE-LIKE Ti XIV and Ni XX F.P. KEENAN, R.H.G. REID et S.M. McCANN J. Phys. Colloques, 50 C1 (1989) C1-565-C1-569 DOI: 10.1051/jphyscol:1989160