Burrows, H. D.Hamblett, I.Hartwell, L. J.Horsburgh, L. E.Monkman, A. P.Navaratnam, S.2004-12-102004-12-1020012001http://hdl.handle.net/2003/1836610.17877/DE290R-12522enThe American Physical SocietyPhysical Review Letters530Triplet Energies of pi-Conjugated Polymers10.1103/PhysRevLett.86.1358article (journal)