Structural chemistry of polynuclear transition metal cyanides.- Electronic spectra of tetrahedral oxo, thio and seleno complexes formed by elements of the beginning of the transition groups.- The evidence for "out-of-the-plane" bonding in axial complexes of the copper(II) ion.- Two symmetry parameterizations of the angular-overlap model of the ligand-field.- Salzebullioskopie III Theorie und Anwendung zur Bestimmung des Kondensationsgrades polynuklearer Metallkomplexe.- Strukturchemie der Azide.