\input zb-basic
\input zb-ioport
\iteman{io-port 05419316}
\itemau{Abel, David J.; Ooi, Beng Chin; Tan, Kian-Lee; Tan, Soon Huat}
\itemti{Towards integrated geographical information processing.}
\itemso{Int. J. Geogr. Inf. Syst. 12, No. 4, 353-371 (1998).}
\itemcc{}
\itemut{}
\itemli{doi:10.1080/136588198241833}
\end