?url_ver=Z39.88-2004&rft_id=10.1109%2FICSIPA.2013.6708037&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=A.&rft.au=Babiker%2C+A.&rft.aulast=Babiker&rft.isbn=9781479902675&rft.title=Pupillary+behavior+in+positive+and+negative+emotions&rft.date=2013&rft.genre=proceeding