Van Genechten, Guido (2) Cuyvers, Guido (2) Snel, Guido (1) Caldarelli, Guido (professor Of Theoretical Physics In The Imt Alti Studi Lucca And A Member Of Complex System Institute Of The National Research Council, Catanzaro, Michele (freelance Journalist) (1) Valk, Guido De (1)