\input zb-basic
\input zb-ioport
\iteman{io-port 70195254}
\itemau{Matsushita, Nobuyuki; Rekimoto, Jun}
\itemti{Holowall: designing a finger, hand, body, and object sensitive wall}
\itemso{ACM Symposium on User Interface Software and Technology, 209-210 (1997).}
\itemcc{}
\itemut{}
\itemli{doi:10.1145/263407.263549}
\end