@Misc{X.Binefa1996,
author="X. Binefa
and Jordi Vitria",
title="A contrast based focusing criterium.",
year="1996",
optnote="OR;MV",
optnote="exported from refbase (http://refbase.cvc.uab.es/show.php?record=79), last updated on Fri, 03 Feb 2012 19:28:48 +0100"
}