Blue electroluminescent devices based on soluble poly(p-pyridine) - Gebler, D. D.; Wang, Y. Z.; Blatchford, J. W.; Jessen, S. W.; Lin, L.-B.; Gustafson, T. L.; Wang, H. L.; Swager, T. M.; MacDiarmid, A. G.; Epstein, A. J. (American Institute of Physics (AIP), 1995)
http://dx.doi.org/10.1063/1.359890
Keywords: U