Francisco Durán Manuel Roldán Emilie Balland Mark van den Brand Steven Eker Karl Trygve Kalleberg Lennart C. L. Kats Pierre-Etienne Moreau Ruslan Schevchenko Eelco Visser The Second Rewrite Engines Competition. 281-291 2009 238 Electr. Notes Theor. Comput. Sci. 3 http://dx.doi.org/10.1016/j.entcs.2009.05.025 db/journals/entcs/entcs238.html#DuranRBBEKKMSV09