Emilie Balland Yohan Boichut Thomas Genet Pierre-Etienne Moreau Towards an Efficient Implementation of Tree Automata Completion. 67-82 2008 AMAST http://dx.doi.org/10.1007/978-3-540-79980-1_6 conf/amast/2008 db/conf/amast/amast2008.html#BallandBGM08