1. On competence and completeness in CD grammar systems;Bordihn;Acta Cybernet.,1996
2. CD grammar systems versus L systems;Bordihn,1999
3. On cooperating/distributed grammar systems;Csuhaj-Varjú;J. Inform. Process. Cybernet. EIK (formerly Elektron. Inf.verarb. Kybern.),1990
4. Grammar Systems;Csuhaj-Varjú,1994
5. J. Dassow, Gh. Păun, Regulated Rewriting in Formal Language Theory, EATCS Monographs in Theoretical Computer Science, vol. 18, Springer, Berlin, 1989.