1. R.C. Mehrotra, Jaipur, India Present Status and Future Potential of the Sol-Gel Process 2. J. Fricke, A. Emmerling, Wuerzburg, FRG Aerogels - Preparation, Properties, Applications 3. S. Sakka, T. Yoko, Kyoto, Japan Sol-Gel-Derived Coating Films and Applications 4. H. Schmidt, Saarbruecken, FRG Thin Films, the Chemical Processing up to Gelation 5. M. Henry, J.P. Jolivet, J. Livage, Paris, France Aqueous Chemistry of Metal Cations: Hydrolysis, Condensation and Complexation 6. R. Reisfeld, Jerusalem, Israel, C.K. Joergensen, Geneva, Switzerland Optical Properties of Colorants or Luminescent Species in Sol-Gel Glasses

The spectra of ferric haems and haemoproteins.- The absolute configuration of transition metal complexes.- The application of nuclear quadrupole resonance spectroscopy to the study of transition metal compounds.- Kationenverteilung zweiwertiger 3d n -ionen in oxidischen spinell-, granat- und anderen strukturen.

Valence-shell expansion studied by radio-frequency spectroscopy.- Ligand-field spectroscopy and chemical bonding in Cr3+-containing oxidic solids.- Spectra of 3d five-coordinate complexes.- Valence-shell expansion studied by ultra-violet spectroscopy.- Polynuclear complexes of iron and their biological implications.- Ionic radii and enthalpies of hydration of ions.