@inproceedings{RensinkDotorErmeletal.2011, author = {Arend Rensink and Alexander Dotor and Claudia Ermel and Stefan Jurack and Ole Kniemeyer and Juan de Lara and Sonja Maier and Tom Staijen and Albert Z{\"u}ndorf}, title = {Ludo: A case study for graph transformation tools}, year = {2011}, }