References
- Dassow , J. and Paun , G. 1989 . Regulated Rewriting in Formal Language Theory , New York : Springer .
- Kleijn , H.C.M. and Rozenberg , G. 1983 . On the generative power of regular pattern grammars . Acta Informatica , 20 : 391 – 411 .
- Meduna , A. 1995 . Syntactic Complexity of Scattered Context Grammars . Acta Informatica , 32 : 285 – 298 .