\input zb-basic
\input zb-ioport
\iteman{io-port 50221298}
\itemau{Hahn, Harvey E.; Hahn, Joel A.}
\itemti{OML - a three-year perspective}
\itemso{OCLC Systems & Services 16, No. 1, 24-33 (2000).}
\itemcc{}
\itemut{}
\itemli{doi:10.1108/10650750010313918}
\end