Heydthausen, Manfred Max Planck Society;
Mehlhorn, Kurt Algorithms and Complexity, MPI for Informatics, Max Planck Society;
Heydthausen, M., & Mehlhorn, K. (1976). Top Down Parsing of Macro Grammars. In GI - 6. Jahrestagung (pp. 95-108). Berlin, Germany: Springer.