Weir, David (1992) Automata theory as relevant to linguistics. In: Bright, W. (ed.) International Encyclopedia of Linguistics. Oxford University Press, Oxford, England, pp. 145-146. ISBN 0195051963

Weir, David (1992) Linear Context-Free Rewriting Systems and Deterministic Tree-Walking Transducers. In: Proceedings of the 30th Meeting of the Association for Computational Linguistics. Association for Computational Linguistics, Morristown, NJ, USA, pp. 136-143.

Weir, David (1992) A geometric hierarchy beyond context-free languages. Theoretical Computer Science, 104 (2). pp. 235-261. ISSN 0304-3975