@article{eprints1137,
            note = {{\copyright} 2002 American Physical Society},
          author = {Guido Caldarelli and Andrea Capocci and Paolo De Los Rios and Miguel A. Mu{\~n}oz},
         journal = {Physical Review Letters},
          volume = {89},
       publisher = {American Physical Society},
           title = {Scale-Free networks from varying vertex intrinsic fitness},
           month = {December},
            year = {2002},
          number = {25},
        keywords = {PACS: 89.75.Hc, 89.75.Da
},
        abstract = {A new mechanism leading to scale-free networks is proposed in this Letter. It is shown that, in many cases of interest, the connectivity power-law behavior is neither related to dynamical properties nor to preferential attachment. Assigning a quenched fitness value xi to every vertex, and drawing links among vertices with a probability depending on the fitnesses of the two involved sites, gives rise to what we call a good-get-richer mechanism, in which sites with larger fitness are more likely to become hubs (i.e., to be highly connected).},
             url = {http://eprints.imtlucca.it/1137/}
}