A selection of the contents. Invited Papers. Catalysis: Past, Present and Future (J.A. Rabo). Interfacial Coordination Chemistry: Concepts and Relevance to Catalysis Phenomena (M. Che). New Catalytic Aspects of Heteropolyacids and Related Compounds - To the Molecular Design of Practical Catalysts (M. Misono). The Catalytic Conversion of Methane to Oxygenates and Higher Hydrocarbons (J.H. Lunsford). New Reactions in Various Fields and Production to Specialty Chemicals (W.F. Hölderich). Submitted Papers. Stucture-Function Relationships in Heterogeneous Catalysis: The Embedded Surface Molecule Approach and its Applications (P. Johnson, R.W. Joyner). 1H Broad-Line NMR at 4 K for Studying the Acidity of Solids: Application to Zeolites (P. Batamack, C. Doremieux-Morin, J. Fraissard). Preparation of Bifunctional Catalysts by Solid-State Ion Exchange in Zeolites and Catalytic Tests (H.G. Karge, Y. Zhang, H.K. Beyer). Spectroscopic Studies on the Reaction Pathways of Methanol Dissociation on Pd Catalyst (A. Berkó, J. Raskó, F. Solymosi). Mechanism of Coke Formation during the Transformation of Propene, Toluene and Propene-Toluene Mixture on HZSM-5 (P. Magnoux, F. Machado, M. Guisnet). Hydrocarbon Formation from Methanol/Dimethyl Ether over Protonated Zeolites and Molecular Sieves. New Insights from Recent Experiments (S. Kolboe). New Surface Nb-Dimers Chemically Interacted with SiO2: Regulation of the Catalysis by Molecular Design of Reaction Sites (N. Ichikuni, Y. Iwasawa). Expert Systems Approach to Catalyst Design - Application and Experimental Verification (T. Hattori et al.). Structural Characteristics of Alumina-Supported Activated Hydrodesulfurization Catalysts. An XPS, NO Adsorption and Sulphydryl Group Study (L. Portela, P. Grange, B. Delmon). Direct Propane Ammoxidation to Acrylonitrile: Kinetics and Nature of the Active Phase (A. Anderson et al.). Role of Chromium Introduced into 12-Molybdophosphates as Catalysts for Oxidation of Hydrocarbons (K. Brückman, J. Haber). Kinetics of Alkane Hydrogenolysis on Clean and Coked Platinum and Platinum-Rhenium Catalysts (G.C. Bond, R.H. Cunningham, E.L. Short). Reaction Routes for Methane Conversion on Transition Metals at Low Temperature (T. Koerts, R.A. Van Santen). Reactions of Multifunctional Organic Compounds - Hydrogenation of Acrolein on Modified Pt-Catalysts (T.B.L.W. Marinelli, J.H. Vleeming, V. Ponec). Shape-Selective Reactions for Methylamine Synthesis from Methanol and Ammonia (K. Segawa, H. Tachibana). Membrane Catalysis over Palladium and its Alloys (J.N. Armor, T.S. Farris). Selective Gasoline Synthesis from CO2 on a Highly Active Methanol Synthesis Catalyst and an H-Fe-Silicate of MFI Structure (T. Inui et al.). Author Index.