@Misc{X.Binefa1997,
author="X. Binefa
and Xavier Roca
and Jordi Vitria",
title="A Contrast Approach to Depth from Focus.",
year="1997",
optnote="OR;ISE;MV",
optnote="exported from refbase (http://refbase.cvc.uab.es/show.php?record=63), last updated on Fri, 03 Feb 2012 19:30:24 +0100"
}