1. Forward Electron Ejection in Ion Collisons,1984
2. Particle Induced Electron Emission II;Rothard,1991
3. Proc. 3rd Workshop on High-Energy Ion-Atom Collisions;Yamazaki,1988
4. Proc. 3rd Workshop on High-Energy Ion-Atom Collisions;Burgdörfer,1988
5. Proc. 12th Int. Conf. on Atomic Collisions in Solids;Meckbach,1988