OPTICAL PROPERTIES OF HEAVILY DOPED POLYACETYLENE FILMS O. Bernard, M. Palpacuer, C. Benoit, M. Rolland and M.J.M. Abadie J. Phys. Colloques, 44 C3 (1983) C3-345-C3-348 DOI: 10.1051/jphyscol:1983369