1. E. Braunsteinerova, J. Hromkovic, Graphic controlled tabled Lin-denmayer systems. In: Proc. 3rd Internat. Meeting of Young Comp. Scientists, 1984, 53–59.
2. K. Culik II, D. Wood, Doubly deteiministic tabled OL systems. Internat. J. Comp. Inform. Sci. 8 (1979), 335–347.
3. J. Dassow, Concentration dependent OL systems. Internat. J. Comp. Math. 7 (1979) 187–209.
4. J. Dassow, On deterministic random context L systems. In: Proc. Prege Conference, 1984, Math.Research 20, Berlin, 1984, 309–314.
5. A. Ehrenfeucht, G. Rozenberg, On inverse homomorphic images of deterministic ETOL languages. In: Automata, Languages, Development, North-Holland, 1976, 179–189.