• "Spectroscopic and Electrochemical Properties of Rh(I) Complexes Containing Diene (Norbornadiene or Cyclooctadiene) and Diimine (Bipyrimidine) Type Ligands", L. De Cola, M. Ciano, F. Barigelletti, M. P. Garcia, L. A. Oro , . Inorg. Chim. Acta., 1990, 172, 181-184.
  • "Mononuclear, Dinuclear, and Trinuclear Ruthenium(II) Complexes of a Tris(Bipyridine) Bridging Ligand - Syntheses, Absorption-Spectra, Redox Potentials, and Photophysical Properties", L. De Cola, P. Belser, F. Ebmeyer, F. Barigelletti, F. V_gtle, A. von Zelewsky, V. Balzani , Inorg. Chem., 1990, 29, 495-499.
  • "Effect of Temperature on the Luminescence Properties of Ru(II)-Polypyridine Complexes", F. Barigelletti, L. De Cola, A. Juris , Gazz. Chim. Ital., 1990, 120, 545-551.
  • "Photochemistry of Supramolecular Species", V. Balzani, L. De Cola, L. Prodi, F. Scandola , Pure Appl. Chem., 1990, 62, 1457-1466.
  • "Supramolecular Photochemistry", V. Balzani, F. Bolletta, L. De Cola, M. T. Gandolfi, M. Maestri, M. F. Manfrin, L. Moggi, L. Prodi, N. Sabbatini, R. Ballardini, F. Barigelletti, M. Ciano, L. Flamigni , In Macrocyclic and Supramolecular Chemistry in Italy, Tonellato, U., Vigato, P. A., Eds. Univers, 1990, 13.
  • "Metal-Complexes as Light-Absorption and Light-Emission Sensitizers", V. Balzani, F. Barigelletti, L. De Cola , Topics in Current Chemistry, 1990, 158, 31-71.