@Misc{AngelSappa2005,
author="Angel Sappa",
title="Efficient Closed Contour Extraction from Range Image Edge Points",
year="2005",
optnote="exported from refbase (http://refbase.cvc.uab.es/show.php?record=538), last updated on Tue, 14 Aug 2012 12:04:37 +0200",
opturl="www.cvc.uab.es/articles/Sap2005.pdf"
}