12Th Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, Mg 2009, Date: 12 July 2009 through 18 July 2009, Location: Paris, Patrocinadores: United Nations Educational Scientific;and Cultural Organization (UNESCO);International Union of Pure and Applied Physics (IUPAP);National Science Foundation (NSF);Commissariat a l'Energie Atomique (CEA)