@Misc{GemmaSanchez2001,
author="Gemma Sanchez
and Josep Llados",
title="A Graph Grammar to Recognize Textured Symbols.",
year="2001",
optnote="DAG",
optnote="exported from refbase (http://refbase.cvc.uab.es/show.php?record=162), last updated on Mon, 27 Jun 2011 17:39:52 +0200"
}