Jürgen Albert, Dora Giammarresi, Derick Wood. Extended Context-Free Grammars and Normal Form Algorithms. In Jean-Marc Champarnaud, Denis Maurel, Djelloul Ziadi, editors, Automata Implementation, Third International Workshop on Implementing Automata, WIA 98, Rouen, France, September 17-19, 1998, Revised Papers. Volume 1660 of Lecture Notes in Computer Science, pages 1-12, Springer, 1998. [doi]
Abstract is missing.