Enrico Biermann Claudia Ermel Tony Modica Peggy Sylopp Implementing Petri Net Transformations using Graph Transformation Tools. 2008 14 ECEASST http://eceasst.cs.tu-berlin.de/index.php/eceasst/article/view/189/180 db/journals/eceasst/eceasst14.html#BiermannEMS08