@Misc{X.Varona1997,
author="X. Varona
and Juan J. Villanueva",
title="Neural Networks for Early Vision.",
year="1997",
optnote="exported from refbase (http://refbase.cvc.uab.es/show.php?record=62), last updated on Mon, 27 Jun 2011 13:28:07 +0200"
}