Grajcar, M.Hlubina, R.Hoenig, H. E.IJsselsteijn, R. P. J.Il'ichev, E.2004-12-142004-12-1420012001http://hdl.handle.net/2003/1888910.17877/DE290R-1671enThe American Physical SocietyPhysical Review Letters530Degenerate Ground State in a Mesoscopic YBa2Cu3O7x Grain Boundary Josephson Junction10.1103/PhysRevLett.86.5369article (journal)