1. H. Abramson and V. Dahl. Logic Grammars. Monograph, Symbolic Computation Al Series. Springer-Verlag, 1989.
2. Jamie Andrews, V. Dahl, and F. Popowich. A Relevance Logic Characterization of Static Discontinuity Grammars. Technical report, CSS/LCCR TR 91–12, Simon Fraser University, 1991.
3. S. Balari and G. B. Varile. CLG(n): Constraint Logic Grammars. In Proc. International Conference on Computational Linguistics, pages 1–6, 1990.
4. J. Bresnan. The Mental Representation of Grammatical Relations. MIT Press, 1982.
5. B. Carpenter. The Logic of Typed Feature Structures—with Applications to Unification Grammars, Logic Programs and Constraint Resolution. Cambridge University Press, 1992.