\input zb-basic
\input zb-ioport
\iteman{io-port 50331580}
\itemau{Howatt, James}
\itemti{Operating systems projects: minix revisited}
\itemso{SIGCSE Bulletin 34, No. 4, 109-111 (2002).}
\itemcc{}
\itemut{}
\itemli{doi:10.1145/820127.820179}
\end