1. Lefort, M., and Ngô, Ch., Ann. Phys. Fr.3, 5 (1978).
2. Schröder, W.U., and Huizenga, J.R., in Treatise on Heavy Ions Science, vol. 2, p. 215, Edited by D.A. Bromley (Plenum, New York, 1984).
3. Wile, J.L., et al, Phys. Rev.C39, 1845 (1989).
4. Kwiatkowski, K., et al, Phys. Rev.C41, 958 (1990).
5. Randrup, J., Nucl. Phys.A383, 468 (1982).