Enhanced electrical conductivity of polydiacetylene crystals by chemical doping and ion implantation - Sakamoto, M.; Wasserman, B.; Dresselhaus, M. S.; Wnek, G. E.; Elman, B. S.; Sandman, D. J. (American Institute of Physics (AIP), 1986)
http://dx.doi.org/10.1063/1.337059
Keywords: U