J. Haeuser, W. Cassing, A. Peter, and M. Thoma. (1994)cite arxiv:hep-ph/9408355
Comment: 25 Revtex pages, 5 figures available via fpt from the directory
ugi-94-11 of ftp@theorie.physik.uni-giessen.de as one postscript file (there
was a bug in our calculations, all numerical results and figures have changed
significantly), ugi-94-11.