?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.physa.2004.11.040&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Garlaschelli%2C+Diego&rft.aufirst=Diego&rft.aulast=Garlaschelli&rft.issn=0378-4371&rft.volume=350&rft.issue=2-4&rft.pages=491-499&rft.atitle=The+scale-free+topology+of+market+investments&rft.title=Physica+A%3A+Statistical+Mechanics+and+its+Applications&rft.date=2005&rft.genre=article