Pm numbers, ambiguity, and regularity H. A. Cameron; D. Wood — 1993 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
Pumping and pushdown machines Kai Salomaa; D. Wood; Sheng Yu — 1994 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
Relative goodness of EOL forms H. A. Maurer; A. Salomaa; D. Wood — 1978 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
Pure interpretations of EOL forms H. A. Maurer; G. Rozenberg; A. Salomaa; D. Wood — 1979 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
Synchronized EOL forms under uniform interpretation H. A. Maurer; A. Salomaa; D. Wood — 1981 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications