Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories (11 : 2006 : Berlin) The Eleventh Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories ; Part B Hackensack, NJ [u.a.] : World Scientific, 2008 (2008), Seite 1400-1402 LXV, S. 979 - 1944