Frank Drewes, H.-J. Kreowski: A Note on Hyperedge Replacement. In H. Ehrig, H.-J. Kreowski, G. Rozenberg, editors, Proc. Fourth Intl. Workshop on Graph Grammars and Their Application to Comp. Sci., volume 532 of Lecture Notes in Computer Science, pages 1-11. Springer, 1991.
Hans-Jörg Kreowski: Logische Grundlagen der Informatik - Handbuch der Informatik 1.1. Oldenbourg-Verlag, München, 1991. 165 Seiten.
Michel Bidoit, Hans-Jörg Kreowski, Pierre Lescanne, Fernando Orejas, Donald Sannella (ed.): Algebraic System Specification and Development - A Survey and Annotated Bibliography, volume 501. Lecture Notes in Computer Science. Springer, 1991.
Hartmut Ehrig, Hans-Jörg Kreowski, Grzegorz Rozenberg (ed.): Proc. 4th International Workshop on Graph Grammars and Their Application to Computer Science, volume 532. Lecture Notes in Computer Science. Springer, 1991.
Annegret Habel, Hans-Jörg Kreowski, Detlef Plump: Jungle Evalutation. Fundamenta Informaticae 15:37-60, 1991.
Annegret Habel, Hans-Jörg Kreowski, Walter Vogler: Dedicable Boundedness Problems for Sets of Graphs Generated by Hyperedge-Replacement. Theoretical Computer Science 89:33-62, 1991.
Hartmut Ehrig, Annegret Habel, Hans-Jörg Kreowski, Francesco Parisi-Presicce: Parallelism and Concurrency in High-level Replacement Systems. Journal of Mathematical Structures in Computer Science 1:361-404, 1991.
Hartmut Ehrig, Annegret Habel, Hans-Jörg Kreowski, Francesco Parisi-Presicce: From Graph Grammars to High-Level Replacement Systems. In Hartmut Ehrig et al., editor, Proc. International Workshop on Graph Grammars and Their Application to Computer Science, volume 532 of Lecture Notes in Computer Science, pages 269-291. Springer, 1991.
Annegret Habel, Hans-Jörg Kreowski: Collage Grammars. In Hartmut Ehrig et al., editor, Proc. International Workshop on Graph Grammars and Their Application to Computer Science, volume 532 of Lecture Notes in Computer Science, pages 411-429. Springer, 1991.
Eric Jeltsch, Hans-Jörg Kreowski: Grammatical Inference Based on Hyperedge Replacement. In Hartmut Ehrig et al., editor, Proc. International Workshop on Graph Grammars and Their Application to Computer Science, volume 532 of Lecture Notes in Computer Science, pages 461-474. Springer, 1991.
