I Introduction -- Conductive Polymers -- Applications of Electrically Conducting Polymers -- Structural Background of Conductivity in Polymers; Results from X-Ray, Neutron and EM Investigations. -- II Structure and Conductivity of Polyacetylene -- Structural Features of Pure and Doped Polyacetylene: (CH)x -- In-Situ Diffraction on Doping Reactions -- Local Structure in Halogen-Doped Polyacetylene from X-Ray Absorption Spectroscopy. -- Recent Developments in Precursor Routes to Polyacetylene -- Electronic Properties of Polyacetylene Prepared by the Durham Route -- Intrinsic Anisotropic Properties of trans-(CH)x -- Frequency-Dependent Electronic Processes in Crystalline trans-(CH)x -- Non-Solitonic Transport Model for Polyacetylene -- Structure of K-Doped Polyacetylene and Its Variations with Annealing, Studied by Neutron Diffraction. -- Reflectivity and Magnetoreflectivity of Iodine-Doped Polyacetylene -- III Theory and Optical Excitations -- Theoretical Description of Polyacetylene: Intrinsic Defect Sturctures, Extrinsic Disorder and Electronic Correlation. -- Photomodulation of Soliton Defects in Polyacetylene -- Time-Dependent Photoconductivity of Polyacetylene and ?-Carotene -- High Resolution Spectroscopy of Polyacetylene Oligomers: Linear Polyenes with 3 Through 7 Double Bonds -- Electronic Sturcture of the Insulating Forms of Polyaniline -- IV Raman and Infrared Spectroscopy -- The Dispersion Effect of Resonance Raman Lines in trans-Polyacetylene -- Vibrational Properties of Doped Conjugated Polymers -- Resonant Raman Scattering from cis and trans-Polyacetylene -- Electronic Sturcture of Polyenes Containing Chain Defects -- Characterization of Disorder in Polyacetylene -- Effect of Bond-Length Distribution on Raman Scattering of trans-Polyacetylene. -- Ab Initio Study of the Influence of Molecular Structure on the Static Polarizability of Conjugated Chains -- Luminescence from trans-Polyacetylene Degraded by Laser Irradiation -- Intensity and Frequency Vibrational Spectroscopy of Conducting Polymers -- V Aromatic Polymers and New Polymerization Reactions -- Aromatic Polymers: Evolution of Their Electronic Properties as a Function of Bond-Length Alternation and Torsion Angle Along the Chains -- Investigation of the Electronic Structure of Conducting Polymers by Electron Energy-Loss Spectroscopy -- The Mechanical Properties of Polypyrrole Plates -- Frequency and Temperature-Dependent Complex Conductivity of Some Conducting Polymers. -- Structure and Conductivity of Some Heavily Doped Polypyrroles -- Polythieno [3,2-b]Pyrrole: Preparation, Structure and Properties -- Composites from Polypyrrole and Polyether/Polyester Thermoplastic Elastomer. -- Infrared and Optical Absorption in Poly(4,4?diphenylenediphenylvinylene) -- A Carbonyl-Olefin Exchange Reaction - New Route to Conjugated Polymers -- VI Electrochemistry -- Problems Related to Polymer Battery Design -- Electrochemical and Spectroelectrochemical Studies of Polypyrrole and Polyaniline. -- Spectroscopic Characterization of Some Polyanilines -- Resonance Raman Scattering from Polyaniline -- In Situ Infrared Spectro-Electrochemical Investigations of Polythiophenes. -- VII Polydiacetylene -- Raman Spectroscopy of Conjugated Polymers -- Electronic Structures of Conjugated Polydiacetylene Oligomer Molecules -- Excitons and Polarons in Polyconjugated Diacetylene Molecules -- Excitons in Short-Chain Polydiacetylene Molecules -- Luminescence of a Fully Polymerized Polydiacetylene -- Electron Motion on Polydiacetylene Chains -- VIII Magnetic Resonance -- Magnetic Resonance of Conjugated Polymers -- Nuclear Spin-Lattice Relaxation in trans-(CH)x. A Confined Soliton Model Including Nuclear Spin-Flip Diffusion -- 13C-NMR Investigation of an Oxygen Defect in trans-Polyacetylene -- NMR Study of Alkali-Doped (CH)x and (CD)x Films -- Magnetic Resonance Study of Metallic Polyacetylene -- In Situ ESR Study of Electrochemical Doping in Conducting Polymers -- IX Non-Conjugated Polymers -- Collective Phenomena in Polypeptides. -- Photopolymers for Optical Memories and Waveguides -- Polymeric Electrets -- Electronic Processes in Polymeric Dielectrics Under High Electrical Fields. -- Polymeric, Electrically Conducting ?-(p.Diisocyanobenzene)-2, 3-naphthalocyaninatoiron(II). -- Electrical Resistivity and IR Behaviour of Metal-Free and Copper Phthalocyanine - Carbon Black Mixtures. -- X Related Topics -- Charge Density Waves and Electrical Instabilities in Niobium Triselenide and Similar Compounds. -- Silicon Technology vs. Molecular Electronics -- Index of Contributors.