An easily accessible toolbox of functionalized macrocycles and rotaxanes a (tandem) ESI-FTICR mass spectrometric study on Fréchet-type dendrimers with ammonium cores and hierarchical self-assembly of metallo-supramolecular nano-spheres - Baytekin, Bilge 1979- (Berlin, Freie Univ., Diss., 2008, 2008)