\input zb-basic
\input zb-ioport
\iteman{io-port 70924630}
\itemau{Millen, David R.; Yang, Meng; Whittaker, Steven; Feinberg, Jonathan}
\itemti{Social bookmarking and exploratory search}
\itemso{ECSCW, 21-40 (2007).}
\itemcc{}
\itemut{}
\itemli{http://www.ecscw.org/2007/02%20paper%20108%20Millen%20et%20al.pdf}
\end