\input zb-basic
\input zb-ioport
\iteman{io-port 50145980}
\itemau{Dromey, R. Geoff}
\itemti{Forced termination of loops}
\itemso{Softw., Pract. Exper. 15, No. 1, 29-39 (1985).}
\itemcc{}
\itemut{}
\itemli{}
\end