Hydrogen Activation By Benzene-Ruthenium Complexes in Aqueous Solution : Synthesis, Molecular Structure, and Intercalation of the Cluster Cation (C6H6) 4 RU H 42+ - Bodensieck, Ulf; Meister, Gotz; Rheinwald, Gerd; Stoeckli-Evans, Helen; Süss-Fink, Georg (My University, 1993)