1. ALPAC: Language and machines: computers in translation and linguistics,Report by the Automatic Language Processing Advisory Committee, National Academy of Science, Washington DC, 1966; see also Hutchins (1986), Chapter 8.
2. Alshawi, H. (ed), The Core Language Engine, Cambridge, MA: MIT Press, 1992.
3. Bledsoe, W. “I had a dream: AAAI presidential address, 19 August 1985”, The Al Magazine 7 (1), 1986, 57–61.
4. Bobrow, D.G. and Collins, A. (eds) Representation and understanding, New York: Academic, 1975.
5. Booth, A.D. (ed.) Machine translation, Amsterdam: North-Holland, 1967.