?url_ver=Z39.88-2004&rft_id=10.1103%2FPhysRevE.70.037101&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Catanzaro%2C+Michele&rft.aulast=Catanzaro&rft.aufirst=Michele&rft.issn=1539-3755&rft.date=September+2004&rft.issue=3&rft.volume=70&rft.title=Physical+Review+E&rft.atitle=Assortative+model+for+social+networks&rft.genre=article