@Misc{A.Martinez1997,
author="A. Martinez
and S. Gonzalez
and Jordi Vitria
and J. Lopez",
title="NAT: a robot that recognizes offices.",
year="1997",
optnote="OR;MV",
optnote="exported from refbase (http://refbase.cvc.uab.es/show.php?record=46), last updated on Fri, 03 Feb 2012 19:55:59 +0100"
}