\input zb-basic
\input zb-ioport
\iteman{io-port 70762338}
\itemau{Saffiotti, Alessandro}
\itemti{Using dempster-shafer theory in knowledge representation}
\itemso{UAI, 417-434 (1990).}
\itemcc{}
\itemut{}
\itemli{http://uai.sis.pitt.edu/displayArticleDetails.jsp?mmnu=1&smnu=2&article\_id=1928&proceeding\_id=1006}
\end