1. On discontinuing the continuity–discontinuity debate;Aitchison,1998
2. Computational simulations of the emergence of grammar;Batali,1998
3. Language evolution and the Minimalist Program;Berwick,1998
4. Language and Species;Bickerton,1990
5. Bickerton, D., 1998. Catastrophic evolution: the case for a single step from protolanguage to full human language. In: Hurford, J.R., Studdert-Kennedy, M., Knight, C. (Eds.), Approaches to the Evolution of Language, Cambridge University Press, Cambridge, pp. 341–358.