Abbreviated.I. Invited Lectures. Survey over the State of the Art of Sol-Gel Activities. Survey over the state of the art of sol-gel activities in the United States (D. Uhlmann). Sol-gel processing of advanced ceramics by molecular level designing (S. Hirano, T. Yogo). Glass-research and fiber drawing by sol-gel processes in Japan (T. Yoko, S. Sakka). Scientific fields and practical applications of sol-gel techniques in the Soviet Union (B. Shalumov). Survey over the state of the art in the field of processing of inorganic-organic composite materials (H. Schmidt). II. Precursor Chemistry. Thermal decomposition of hydrosilsesquioxane gels under argon (V. Belot et al.). Heterometallic alkoxides as precursors to multi-component oxides: Some examples based on Pb-Nb and Cd-Nb systems (L.G. Hubert-Pfalzgraf et al.). III. Coatings. Preparation of catalysts on a ceramic substrate by sol-gel technology (A. Bos et al.). Patternable inorganic-organic copolymers (ORMOCERs) (M. Popall et al.). Preparation of superconducting thick films using sol-gel (H. Wedemeyer, J.Y. Zhang). IV. Porous Materials and Composites. Alcoholic fermentation with saccharomyces cerevisiae trapped in SiO2 films (S. Dire et al.). Oncoming developments on sol-gel derived membranes (C. Guizard et al.). The preparation and characterization of Sn-Si-O gels. Part II: The effect of thermal treatment (C.C. Perry et al.). Structural and mechanical evolution of partially densified aerogel during the aerogel-glass process (T. Woignier et al.). V. New Processing Techniques. Fabrication of large size near net shape components of silica glass (M. Beghi et al.). Elaboration of mullite and cordierite powders by organic gels (A. Douy). Progress in powder synthesis by W/O-micro emulsions (R. Nass et al.). A conductivity study on V2O5 based amorphous materials (G.P. Triberis). VI.