Browning, Nigel D.Duscher, GerdKim, MiyoungPantelides, Sokrates T.Sohlberg, Karl2004-12-272004-12-2720012001http://hdl.handle.net/2003/1960710.17877/DE290R-12407enThe American Physical SocietyPhysical Review Letters530Nonstoichiometry and the Electrical Activity of Grain Boundaries in SrTiO310.1103/PhysRevLett.86.4056article (journal)