1. Proc. Proton Linear Accelerator Conf.;Schmelzer,1968
2. Ion Engineering Congress ISIAT '83 IPAT '83;Angert,1983
3. 1985 Particle Accelerator Conf.;Blasche,1985
4. 11th Int. Conf. on Particles and Nuclei;Kienle,1987
5. GSI-SIS-INT/84-5;Franzke,1984