Andreas Neumann. Unambiguity of SGML Content Models - Pushdown Automata Revisited. In Symeon Bozapalidis, editor, Proceedings of the 3rd International Conference Developments in Language Theory, DLT 1997, Thessaloniki, Greece, July 20-23, 1997. pages 507-518, Aristotle University of Thessaloniki, 1997.
Abstract is missing.