"Effects of Macrocyclic and Cryptand Ligands on Photophysics of Eu3+ Ions", N. Sabbatini, S. Perathoner, L. De Cola , In Photochemistry and Photophysics of Coordination Compounds, Yersin, H. Vogler, A. Eds. Springer: , 1987, 25.
"Radiative and Nonradiative Transitions in the Eu(III) Hexaaza-Macrocyclic Complex [Eu(C12H26N6)(CH3COO)](CH3COO)Cl2H2O", L. De Cola, N. Sabbatini, G. Blasse, L. M. Vallarino , J. Phys. Chem., 1987, 91, 4681-4685.
