BEAM FOIL- AND BEAM GAS- EXCITATION OF MONO- AND DI-ATOMIC PROJECTILES S. Schumann, H. J. Frischkorn, R. Kluge, D. Rosich, J. Schader et K. O. Groeneveld J. Phys. Colloques, 40 C1 (1979) C1-354-C1-355 DOI: 10.1051/jphyscol:1979177