\input zb-basic
\input zb-ioport
\iteman{io-port 70139342}
\itemau{Mayfield, James}
\itemti{University of maryland/conquest: description of the ICTOAN system as used for MUC-4}
\itemso{MUC, 276-281 (1992).}
\itemcc{}
\itemut{}
\itemli{doi:10.1145/1072064.1072104}
\end