AC CONDUCTIVITY OF NEAR-COMMENSURATE CHARGE DENSITY WAVES - APPLICATION TO NbSe3 AND TaS3 H. Gruber et H. SassikJ. Phys. Colloques, 44 C3 (1983) C3-1721-C3-1724DOI: https://doi.org/10.1051/jphyscol/1983099