@Misc{JordiVitria1995,
author="Jordi Vitria
and J. Llacer",
title="Recovering brightness and depth from focus using the Expectation-Maximization Algorithm.",
year="1995",
optnote="OR;MV",
optnote="exported from refbase (http://refbase.cvc.uab.es/show.php?record=134), last updated on Fri, 03 Feb 2012 19:27:36 +0100"
}