1. Agerri, R., Barnden, J. A., Lee, M. G., & Wallington, A. M. (2007). Metaphor, inference and domain-independent mappings. In Proceedings of RANLP-2007 (pp. 17–23). Borovets, Bulgaria.
2. Barnden, J. A., & Lee, M. G. (2002). An artificial intelligence approach to metaphor understanding. Theoria et Historia Scientiarum, 6(1), 399–412.
3. Black, M. (1962). Models and metaphors. New York: Cornell University Press.
4. Bowdle, B. F., & Gentner, D. (2005). The career of metaphor. Psychological Review, 112, 193–216.
5. Burnard, L. (2007). Reference guide for the British National Corpus (XML ed.). http://www.natcorp.ox.ac.uk/XMLedition/URG/