1. See, for example, G. Ciccotti, D. Frenkel, and I.R. McDonald, Ed.,Simulation of Liquids and Solids, North-Holland (1987);
2. Simula- tion Approach to Solids, M. Ronchetti and G. Jacucci, Ed., Kluwer Academic (1991).
3. A. Rahman,Phys. Rev., 136, A405 (1964).
4. F.H. Stillinger and T.A. Weber,Phys. Rev. B, 31, 5262 (1985).
5. R. Biswas and D.R. Hamann,Phys. Rev. Lett., 55, 2001 (1985).