\input zb-basic
\input zb-ioport
\iteman{io-port 70876278}
\itemau{Jin, Cheqing; Zhang, Yizhen; Zhou, Aoying}
\itemti{Getting critical categories of a data set}
\itemso{WAIM, 169-180 (2011).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/978-3-642-23535-1\_16}
\end