1. Reserch Centre, versalis (eni), Via Taliercio, 14, 46100 Mantova, Italy
2. Control Laboratory, versalis (eni), Strada provinciale, 114, Priolo Gargallo (SR), Italy
3. Headquarter, versalis (eni), Piazza Boldrini, 1, 20097 San Donato Milanese (MI), Italy