Chudnovsky, E. M.Garanin, D. A.2004-12-032004-12-0320012001http://hdl.handle.net/2003/149410.17877/DE290R-4305enThe American Physical SocietyPhysical Review Letters530Spin Tunneling via Dislocations in Mn12 Acetate Crystals10.1103/PhysRevLett.87.187203article (journal)