?url_ver=Z39.88-2004&rft_id=10.1016%2FS0378-4371(03)00043-8&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Fabio&rft.aulast=Pammolli&rft.au=Pammolli%2C+Fabio&rft.issn=0378-4371&rft.volume=324&rft.issue=1-2&rft.pages=38+-+44&rft.title=Physica+A%3A+Statistical+Mechanics+and+its+Applications&rft.atitle=On+size+and+growth+of+business+firms&rft.date=2003&rft.genre=article