?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Cheng&rft.aufirst=T&rft.au=Cheng%2C+T&rft.title=i-Perception&rft.issn=2041-6695&rft.issue=4&rft.atitle=Obstacles+to+Testing+Molyneux's+Question+Empirically&rft.volume=6&rft.date=2015&rft.genre=article