?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=MR&rft.au=D'Orsogna%2C+MR&rft.aulast=D'Orsogna&rft.issue=4&rft.atitle=Criminal+Defectors+Lead+to+the+Emergence+of+Cooperation+in+an+Experimental%2C+Adversarial+Game&rft.date=23+April+2013&rft.issn=1932-6203&rft.title=PLoS+ONE&rft.volume=8&rft.genre=article