Paola Bonizzoni Claudio Ferretti Anthonath Roslin Sagaya Mary Giancarlo Mauri Picture Languages Generated by Assembling Tiles. 224-235 2009 LATA http://dx.doi.org/10.1007/978-3-642-00982-2_19 conf/lata/2009 db/conf/lata/lata2009.html#BonizzoniFMM09