\begin{thebibliography}{1}

\bibitem{mobrob}
J.~L. Jones and A.~M. Flynn, {\em Mobile Robots - Inspiration to
  Implementation}.
\newblock A. K. Peters, Ltd., first~ed., 1993.

\bibitem{gp1u52x}
Radio Shack, {\em GP1U52X Infrared Receiver/Demodulator Technical Data Sheet}.
\newblock Radio Shack Nr. 276-137.

\bibitem{hl}
E.~Herter and W.~Loercher, {\em Nachrichtentechnik}.
\newblock Carl Hanser Verlag, seventh~ed., 1994.

\bibitem{irdaphysical}
``Serial infrared physical layer specification,'' Specification Version 1.3,
  Infrared Data Association, Intrared Data Association, P.O. BOX 3883, Walnut
  Creek, California, U.S.A. 94598, Oct. 1998.

\end{thebibliography}
