1. Ajdukiewicz, K. 1935. Die syntaktische Konnexität. Studia philosophica 1: 1–27.
2. Akhmanova, O.S., I.A. Mel’čuk, R.M. Frumkina, and E.V. Paducheva. 1963. Exact Methods in Linguistic Research. Berkeley: University California Press.
3. ALPAC. Language and Machines. Computers in translation and linguistics (1966) A report by the Automatic Language Processing Advisory Committee (ALPAC), National Academy of Sciences, National Research Council.
4. Bar-Hillel, Y. 1953b. A Quasi-Arithmetic Notation for Syntactic Description. Language 29: 47–58.
5. ———. 1955. Idioms. In Machine Translation of Languages, 14 Essays, ed. W.N. Locke and A.D. Booth, 183–193. Cambridge, MA/New York: Wiley/MIT.