• "Correlation between Geometric Changes of the Ligands and Extinction Coefficient of the Mlct Absorption-Band in Ru(II) Diimine Complexes", L. De Cola, F. Barigelletti , Inorg. Chim. Acta., 1989, 159, 169-172.
  • "Synthesis, Characterization, and X-Ray Crystal-Structure of Tris-Isothiocyanato Complexes of the Yttrium(III) and Europium(III) Ions with a 6-Nitrogen-Donor Macrocyclic Ligand", G. Bombieri, F. Benetollo, A. Polo, L. De Cola, W. T. Hawkins, L. M. Vallarino , Polyhedron, 1989, 8, 2157-2167.
  • "6-Nitrogen Macrocyclic Complexes of the Dioxouranium(VI) and Praseodymium(III) Ions", F. Benetollo, G. Bombieri, L. De Cola, A. Polo, D. L. Smailes, L. M. Vallarino , Inorg. Chem., 1989, 28, 3447-3452.
  • "Photophysical, Photochemical, and Electrochemical Properties of Mononuclear and Dinuclear Ruthenium(II) Complexes Containing 2,2'-Bipyridine and the 3,5-Bis(Pyridin-2-Yl)-1,2,4-Triazolate Ion", F. Barigelletti, L. De Cola, V. Balzani, R. Hage, J. G. Haasnoot, J. Reedijk, J. G. Vos , Inorg. Chem., 1989, 28, 4344-4350.
  • "Caged and Uncaged Ruthenium(II) Polypyridine Complexes - Comparative-Study of the Photochemical, Photophysical, and Electrochemical Properties", F. Barigelletti, L. De Cola, V. Balzani, P. Belser, A. von Zelewsky, F. V_gtle, F. Ebmeyer, S. Grammenudi , J. Am. Chem. Soc., 1989, 111, 4662-4668.
  • "Ru(II)-polypyridine Complexes as Photosensitizers and/or Building Blocks for the Design of Molecular Devices", F. Barigelletti, L. De Cola, V. Balzani, P. Belser, A. Von Zelewsky, F. Ebmeyer, F. V_gtle , In Photoconversion Processes for Energy and Chemicals, Hall, D. O., Grassi, G., Eds. Elsevier App, 1989, 46.