24Th International Symposium on Rarefied Gas Dynamics, Rgd24, Date: 10 July 2004 through 16 July 2004, Location: Bari, Sponsors: IMIP - Insituto Metodologie Inorganiche e Plasmi, CNR;University of Bari and the Department of Chemistry;EOARD;ESA-ESTEC - European Space Agency;GNFM-INDAM, Gruppo Nazionale per la Fisica Matematica