@Article{AngelSappa2007,
author="Angel Sappa
and M.A. Garcia",
title="Aprendiendo a recrear la realidad en 3D",
year="2007",
optnote="spreading",
optnote="exported from refbase (http://refbase.cvc.uab.es/show.php?record=1470), last updated on Thu, 16 Aug 2012 23:24:53 +0200"
}