1. Moss, J.N., ?Enhancements and applications of DSMC for hypersonic rarefied flows?, in Beylich, A.E. (Ed.),Rarefied Gasdynamics V.C.H., Weinhiem, 1991, pp. 643?654.
2. Bird, G.A., ?Efficiency and discrepancy in the direct simulation methods?, in Beylich, A.E. (Ed.),Rarefied Gasdynamics V.C.H., Weinhiem, 1991, pp. 655?662.
3. Kleber, P., ?Low earth orbit environment for research in space?,Earth Space Rev. 1, 1992, pp. 19?25.
4. Etkin, B.,Dynamics of Atmospheric Flight, J. Wiley, New York, 1972.
5. de Divitiis, N. and de Socio, L.M., ?Vehicle aerodynamics in the transition regime?, presented at the 18thRarefied Gasdynamics Symposium, Vancouver, 1992.