?url_ver=Z39.88-2004&rft_id=doi%3A+10.1007%2Fs11205-011-9971-x&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Bartolini%2C+Stefano&rft.aufirst=Stefano&rft.aulast=Bartolini&rft.date=2013&rft.title=Social+Indicators+Research&rft.atitle=Did+the+Decline+in+Social+Connections+Depress+Americans%E2%80%99+Happiness%3F&rft.pages=1033-1059&rft.volume=110&rft.issn=0303-8300&rft.genre=article