Press
In: DCFS 2008. 10th international workshop on descriptional complexity of formal systems. Charlottetown, 2008..
Fundamenta Informaticae, 82 (1-2)., pp. 29-46.
Oesterreichische Computer Gesellschaft, Wien
In: Colloquium on the occasion of the 50th birthday of Victor Mitrana. Proceedings. Magdeburg, 2008..
Natural Computing, 7 (2)., pp. 167-181.
Computing and Informatics, 27, pp. 403-422.
In: DLT 2008. Developments in language theory. 12th International conference. Proceedings. Kyoto, 2008. (Lecture notes in computer science 5257.).
International Journal of Foundations of Computer Science, 19 (3)., pp. 729-745.
Springer, Berlin
Fundamenta Informaticae, 76 (3)., pp. 271-292.
