Harrie Jan Sander Bruggink Towards a Systematic Method for Proving Termination of Graph Transformation Systems. 23-38 2008 213 Electr. Notes Theor. Comput. Sci. 1 http://dx.doi.org/10.1016/j.entcs.2008.04.072 db/journals/entcs/entcs213.html#Bruggink08