1. Graph transformation, specifications, and nets : in memory of Hartmut Ehrig /: in memory of Hartmut Ehrig. (2018) Editors: Heckel, Reiko; Taentzer, Gabriele Record Type: Book Extent: 1 online resource (xiv, 331 pages), illustrations (black and white) View Content: Available online (eLD content is only available in our Reading Rooms) ↗