\input zb-basic
\input zb-ioport
\iteman{io-port 70367403}
\itemau{White, Gareth R.; Fitzpatrick, Geraldine; Mcallister, Graham}
\itemti{Toward accessible 3D virtual environments for the blind and visually impaired}
\itemso{DIMEA, 134-141 (2008).}
\itemcc{}
\itemut{}
\itemli{doi:10.1145/1413634.1413663}
\end