?url_ver=Z39.88-2004&rft_id=doi%3A10.1109%2FCAIA.1991.120846&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Winkelbauer%2C+L.&rft.aulast=Winkelbauer&rft.aufirst=L.&rft.date=1991&rft.title=ALEX%3A+automatic+learning+in+expert+systems&rft.btitle=Proceedings.+The+Seventh+IEEE+Conference+on+Artificial+Intelligence+Application&rft.genre=bookitem