\input zb-basic
\input zb-ioport
\iteman{io-port 50191311}
\itemau{Stumme, Gerd; Taouil, Rafik; Bastide, Yves; Pasquier, Nicolas; Lakhal, Lotfi}
\itemti{Computing iceberg concept lattices with T}
\itemso{Data Knowl. Eng. 42, No. 2, 189-222 (2002).}
\itemcc{}
\itemut{}
\itemli{doi:10.1016/S0169-023X(02)00057-5}
\end