@Book{W.Liu2006, author="W. Liu and Josep Llados and {GREC}", title="Graphics Recognition. Ten Years Review and Future Perspectives", year="2006", optnote="DAG", optnote="exported from refbase (http://refbase.cvc.uab.es/show.php?record=800), last updated on Mon, 22 Apr 2013 10:45:43 +0200" }