?url_ver=Z39.88-2004&rft_id=doi%3A10.1038%2Fsrep06822&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Michelangelo&rft.aulast=Puliga&rft.au=Puliga%2C+Michelangelo&rft.volume=4&rft.pages=6822&rft.title=Scientific+Reports&rft.atitle=Credit+Default+Swaps+networks+and+systemic+risk&rft.date=November+2014&rft.issn=2045-2322&rft.genre=article