1. J.-M. Autebert, J. Berstel, L. Boasson, Context-free languages and pushdown automata, in: G. Rozenberg, A. Salomaa, (Eds.), Handbook of Formal Languages, Vol. 1—Word, Language, Grammar, Springer, Berlin, 1997, pp. 111–174 (Chapter 3).
2. Cross-serial dependencies in Dutch;Bresnan;Linguistic Inquiry,1983
3. T. Holan, V. Kuboň, K. Oliva, M. Plátek, Two useful measures of word order complexity, in: A. Polguére, S. Kahane, (Eds.), Workshop on ‘Processing of Dependency-Based Grammars,’ Proceedings, Université de Montréal, Montréal, Canada, 1998, pp. 21–28.
4. P. Jančar, F. Mráz, M. Plátek, M. Procházka, J. Vogel, Restarting automata, Marcus grammars and context-free languages, in: J. Dassow, G. Rozenberg, A. Salomaa, (Eds.), DLT II, Proceedings, World Scientific, Singapore, 1996, pp. 102–111.
5. P. Jančar, F. Mráz, M. Plátek, J. Vogel, Restarting automata, in: H. Reichel (Ed.), FCT’95, Proceedings, Lecture Notes in Computer Science, Vol. 965, Springer, Berlin, 1995, pp. 283–292.