\input zb-basic
\input zb-ioport
\iteman{io-port 05439636}
\itemau{Linnhoff-Popien, Claudia; Strang, Thomas}
\itemti{Personal and ubiquitous computing: Special issue on location and context awareness.}
\itemso{Pers. Ubiquitous Comput 11, No. 6, 415 (2007).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/s00779-006-0092-5}
\end