Fazio, Giovanni ; Fazio, Giovanni G. ; Giardina, Giorgio (University of Messina, Italy) ; Hanappe, Francis (Universite Libre de Bruxelles, Belgium) ; Imme, Giuseppina (University of Catania, Italy) ; Rowley, Neil (Institut de Recherches Subatomiques, Strasbourg, France) ; Francis Hanappe ; Giorgio Giardina ; Giuseppina Imme ; Neil Rowley ; Giardina, Giorgio ; Hanappe, Francis ; Imme, Giuseppina ; Rowley, Neil