Bandos, Igor A.De Azcárraga, José A.Izquierdo, José M.Lukierski, Jerzy2004-12-142004-12-1420012001http://hdl.handle.net/2003/1904210.17877/DE290R-6796enThe American Physical SocietyPhysical Review Letters530BPS States in M Theory and Twistorial Constituents10.1103/PhysRevLett.86.4451article (journal)