?url_ver=Z39.88-2004&rft_id=10.1103%2FPhysRevE.90.022817&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Foschi&rft.aufirst=Rachele&rft.au=Foschi%2C+Rachele&rft.volume=90&rft.pages=022817&rft.atitle=Preferential+attachment+in+multiple+trade+networks&rft.title=Physical+Review+E&rft.date=August+2014&rft.issn=1539-3755&rft.genre=article