1. M. Inokuti (ed.): Adv. At. Mol. Opt. Phys. 33, (1994)
2. A. Müller, A. Wolf: in Accelerator-Based Atomic Physics Techniques and Applications, S. Shafroth, J. Austin, eds. (AIP, New York 1997), pp. 147–182
3. A. Müller, A. Wolf: in Proceedings of the International Workshop on Antimatter Gravity and Antihydrogen Spectroscopy, Sepino, Italy, May 1996, M. H. Holzscheiter, ed., Hyp. Int. 109, 233 (1997)
4. F. Brouillard and J. W. McGowan (eds.): Physics of Ion-Ion and Electron-Ion Collisions (Plenum, New York 1983)
5. F. Brouillard (ed.): Atomic Processes in Electron-Ion and Ion-Ion Collisions, (Plenum, New York 1986)