Fundamentals of Algebraic Graph TransformationProf. Dr. Hartmut Ehrig, Dr. Karsten Ehrig & 2 more2006PDF3.9 MB
Graph transformations: 5th international conference, ICGT 2010, Enschede, the Netherlands, September 27 - October 2, 2010: proceedingsJavier Esparza (auth.), Hartmut Ehrig & 3 more2010PDF6.8 MB
Graph Transformations: 6th International Conference, ICGT 2012, Bremen, Germany, September 24-29, 2012. ProceedingsAntónia Lopes, José Luiz Fiadeiro (auth.) & 4 more2012PDF12 MB
Lecture Notes in Computer Science 3393 Formal Methods in Software and Systems Modeling Essays Dedicated to hartmut Ehrig on the Occasion of His 60th BirthdayHans-Jörg Kreowski, Ugo Montanari & 3 more2005PDF27 MB