\input zb-basic
\input zb-ioport
\iteman{io-port 70027135}
\itemau{Sakas, Georgios; Walter, Stefan}
\itemti{Extracting surfaces from fuzzy 3D-ultrasound data}
\itemso{SIGGRAPH, 465-474 (1995).}
\itemcc{}
\itemut{}
\itemli{doi:10.1145/218380.218504}
\end