Note: Intro -- Systems with Fast Ionic Transport - III -- Table of Contents -- Electrical, Optical and Mechanical Properties of Zirconia-Yttria-Chromic Oxide System with Fluorite Structure -- Ion Transport in Glasses - The Effect of Ion Density and Network -- Ion Conductivity in Crystalline and Glass-Like Fluoride Materials -- Phase Relations, Microstructure and Physical Properties of Superionic Fluoride Composites -- Physical Properties of YSZ Solid Solutions Doped with Tungsten -- Technological Conditions as a Determining Factor for Properties of ThO2 - YO1.5 Ceramics -- Structure and Electrical Conductivity of Partially-Stabilized ZrO2 - MgO Ceramics -- Relationship between the Texture of Precursor Powders, Microstructure and Transport Properties in La3+-Stablilized Beta-Alumina Ceramics -- The Study of the "Ageing" Effect of some Solid Electrolytes Ceramic Masses -- Atomic Structure, Phase Transitions and Ionic Conductivity of Li3Cr2(PO4)3 Single Crystals in the Range 293-650 K -- Non-Nernstian Response of Solid-State Cells with Protonic Electrolyte in Hydrogen-Air Environment -- Electrical and Ultrasonic Investigation of Phase Transitions and Relaxation Phenomena in Solid Ionic Conductors -- Structural Phase Transitions in Na4.5FeP2O8.5F0.5 and Na4TiP2O9 Superionic Conductors -- Structural Properties of the Molten Fast Ion Conductors with Silver Cations by the Integral Equation's Methods -- Chemical Intercalation of Divalent Cations -- Electrochemical Properties of the Solid Solutions on the Bi2O3 Basis -- Ionic Disorder and Transport Properties of the Solid Solutions Based on AMO2-Type Compounds (A=Li...Cs) -- Ionic Conductivity in Binary Conducting Solid Electrolytes - The Mixed Mobile Ion Effect -- On Some Properties of Zr-Deficient Nasicon Compounds -- Characteristics of a PEO-Copolymer/LiI Solid Electrolyte. , Protonic Conductivity and Thermal Stability of the Amorphous Hydrogen Periodate -- On the Substitution of Zr4+ by Fe3+ Ions in Silica-Rich Nasicon -- Composition Dependence of Electrical Properties of Sodium Borophosphate Glasses -- Solid Oxygen-Conducting Electrolytes on the Base of Complex Fluoride-Oxides -- Investigation of Solid Electrolyte RbSn2F5 -- Ionic Conductivity of Li6Ge2O7 and its Solid Solutions -- Oxygen Permeation through Thin Dense EVD YSZ Membranes -- Microstructure - Property Relations of Thoria-Yttria Solid Electrolytes I. Reversibility of Cell Potential and Crystallinity -- Microstructure - Property Relatins of Thoria-Yttria Solid Electrolytes II. Oxygen Exchange Capacity and Microstructure -- A Quaternary Oxide Ion-Conducting Solid Electrolyte with Favourable Sintering Properties -- MgPSZ - An Ionic Conductor with Exellent Mechanical and Thermal Qualities -- The Influence of Additions on the Microstructure and the Electrical Conductivity of Calcia Stabilized Zirconia -- Composites Based on Oxoanionic Solid Electrolytes -- Catalytic and Electrocatalytic Reactions in Solid Electrolyte Cells: The Nemca Effect -- Necessary Properties of Electrode Materials with Mixed Conductivity for SOFC and MCFC -- Mixed Conductors on the Lanthanid Cobaltites Basis -- Oxygen Semi-Permeability of Erbia-Stabilized Bismuth Oxide -- Non-Faradaic Electrochemical Modification of Catalytic Activity in Stabilized Zirconia Cells: The Oxidation of CO an Pt -- Non-Faradaic Electrochemical Modification of Catalytic Activity in Stabilized Zirconia Cells: The Oxidation of CO on Polycrystalline Ag -- Non-Faradaic Electrochemical Modification of the Catalytic Activity of Pt for the Oxidation of Methane in a Solid Oxide Fuel Cell Reactor -- AC Behaviour of Ag/Na3Zr2Si2PO12 Interface. , Electrochemical Properties of the Modified Lanthanum Manganite on the Oxygen Ion Solid Electrolyte Surface -- Manifestation of the Conduction Properties of Solid Electrolyte Information of the Electrode Polarization -- Diagnostics of Unequilibrium Dissociated Gas -- How to Study Fast Ion Transport in Solids by Nuclear Magnetic Resonance (NMR) -- Intergranular Impendance in Solid Electrolyte -- Work Function Measurements in Solid Electrolyte Cells: Dependence of Electrode Work Function on Electrode Potential and Polarization -- Molecular Dynamics Simulation of Superionic State in BaF2 -- Methods for Determination of Electrical and Acoustic Properties of Superionics and Mixed Ionic-Electronic Conductors -- Constant Phase Angle Relaxation at Metal-Superionic Interface -- Baro-EMF in Systems with Fast Ion Transport -- A Study of Properties of Superionic Conductors in Electrical Systems Using the Estance Technique -- New Applications of Solid Electrolytes -- Carbon Dioxide Gas Sensor Based on Na+-Beta/Beta"-Alumina Solid Electrolytes and Its Cross-Sensitivity with other Gases -- Development of an Amtec, a Converter of Thermal to Electrical Energy -- Interface Analysis for Solid State Electrochemistry -- Investigation of Oxygen Exchange of Oxides in a Wide Range of Temperature and Homogeneity -- Oxygen Activity in Glass Melts and the Relation to Optical Properties of the Glasses -- Application of Calcium- and Manganese Beta" - Aluminas to the Direct Determination of the Thermodynamic Functions of Mixing for CaxMn1-xO Solid Solutions -- Coulombmeter on the Base of Solid Electrolyte -- Fuel Cell with solid Oxide Proton Conducting Electrolyte -- Thermodynamic Investigation of Uranium-Mixed Oxide by a Solid-Electrolyte Based Technique -- Coulometric Determination of Water Traces Using Zirconia Cells -- Author Index.