\input zb-basic
\input zb-ioport
\iteman{io-port 71031339}
\itemau{De La Puente, Paloma; Rodr{\'\i}guez-Losada, Diego; Pedraza, Luis; Mat{\'\i}a, Fernando}
\itemti{Robot goes back home despite all the people}
\itemso{ICINCO-RA (1), 208-213 (2008).}
\itemcc{}
\itemut{}
\itemli{}
\end