?url_ver=Z39.88-2004&rft_id=10.1613%2Fjair.3715&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Voice%2C+Thomas&rft.aulast=Voice&rft.aufirst=Thomas&rft.volume=45&rft.date=2012&rft.atitle=Coalition+structure+generation+over+graphs.&rft.title=Journal+of+Artificial+Intelligence+Research&rft.pages=165-196&rft.genre=article