1. Asbrock, B., Kastens, V., Zimmermann, E.: User Manual for the GAG. System. Univ. Karlsruhe, Fak. für Informatik, Report 15/81 (1981)
2. Bochmann, G.V.: Semantic Evaluation from Left to Right. Commun. ACM 19, 55?62 (1976)
3. Cohen, R., Harry, E.: Automatic Generation of Near-Optimal Linear-Time Translators for Non-Circular Attribute Grammars. 6th ACM Symp. on POPL, pp. 121?134 (1979)
4. Engelfriet, J., Rozenberg, G., Slutzki, G.: Tree Transducers, L-Systems and Two-Way Machines. JCSS 20, 150?202 (1980)
5. Engelfriet, J., Filé, G.: Passes, Sweeps and Visits. ICALP 81, 193?207 (1981)