1. Brainerd, W.S, Tree generating regular systems, Inf. and control, 14 (1969), pp217–231.
2. Coquidé, J.L., Ph.D, Lille, to appear. (1990).
3. Courcelle, B.,On recognizable sets and tree automata, Resolution of Equations in Algebraic Structures, Academic Press, M.Nivat & H. Ait-Kaci edts, (1989).
4. Dauchet, M., Deruyver, A., "VALERIANN":Compilation of Ground Term Rewriting Systems and Applications, Rewriting Technics and Applications, (1989), Lec. Notes Comp. Sci., 355(Dershowitz ed.).
5. Dauchet, M., Heuillard, P., Lescanne, P., Tison, S., Decidability of the Confluence of Ground Term Rewriting Systems, 2nd Symposium on Logic in Computer Science, New-York, IEEE Computer Society Press (1987)