@Misc{JoanMas2006, author="Joan Mas and B. Lamiroy and Gemma Sanchez and Josep Llados", title="Automatic Learning of Symbol Descriptions Avoiding Topological Ambiguities", year="2006", optnote="DAG", optnote="exported from refbase (http://refbase.cvc.uab.es/show.php?record=710), last updated on Fri, 01 Jul 2011 11:32:37 +0200" }