\input zb-basic
\input zb-ioport
\iteman{io-port 50309847}
\itemau{Perrott, Ronald H.; Zarea-Aliabadi, Adib}
\itemti{Supercomputer languages}
\itemso{ACM Comput. Surv. 18, No. 1, 5-22 (1986).}
\itemcc{}
\itemut{}
\itemli{doi:10.1145/6462.6463}
\end