1. For a comprehensive review of N-donor ligands in coordination chemistry, see: Comprehensive Coordination Chemistry II, Vol. 1, A. P. B. Lever (Volume Ed.), J. A. McCleverty and T. J. Meyer (Eds), Elsevier/Pergamon Press, Oxford, UK, 2004
2. Coordination-driven self-assembly of functionalized supramolecular metallacycles
3. Coordination Assemblies from a Pd(II)-Cornered Square Complex
4. C.Elschenbroich, Organometallics, 3rd Ed, Wiley-VCH, Weinheim, Germany, 2006
5. Ruthenium Carbene Complexes Containing a Triazolidene Cationic Ligand