1. H. Grice in Syntax and Semantics P. Cole J. Morgan Eds. (Academic Press New York 1975) vol. 3 pp. 41–58.
2. D. Sperber D. Wilson Relevance: Communication and Cognition (Harvard Univ. Press Cambridge MA 1986).
3. H. Clark Using Language (Cambridge Univ. Press Cambridge 1996).
4. L. Wittgenstein Philosophical Investigations (Blackwell Oxford 1953).
5. Common ground at the understanding of demonstrative reference