1. J.A. Maruhn and W. Greiner in Treatise on Heavy-Ion Science, vol. 4, ed. D.A. Bromley, Plenum Press, NY and London: 565 (1985).
2. R.B. Clare, D. Strottman, Phys. Rep. 141: 177 (1986).
3. I.N. Mishustin, V.N. Russkikh, L.M. Satarov in Relativistic Heavy-Ion Physics, vol. 6, eds. L.P. Csernai, D. Strottman, World Scientific, Singapore: 179 (1991).
4. G. Buchwald, G. Graebner, D. Barthel, T. Rentzsch, J.A. Maruhn, W. Greiner, H. Stöcker, Nucl. Phys. A428: 537c (1984).
5. W. Schmidt, B. Waldhauser, H. Stöcker, University Frankfurt preprint UFTP 295 (1992).