1. Emmon Bach and Robert T. Harms, Eds.,Universals in Linguistic Theory (Holt, Rinehart & Winston, New York, 1968).
2. Yehoshua Bar-Hillel, ?Universal semantics and philosophy of language: quandaries and prospects,?Substance and Structure of Language, Ed. by Jaan Puhvel (Univ. of California Press, Berkeley, California, 1969), pp. 1?21.
3. Manfred Bierwisch, ?Certain problems of semantic representations,?Foundations of Language 5, 153?184 (1969).
4. Manfred Bierwisch, ?Semantics,? inNew Horizons in Linguistics, Ed. by John Lyons (Penguin Books, Middlesex, England, 1970), pp. 166?184.
5. P. Braffort and D. Hirschberg, Eds.,Computer Programming and Formal Systems (North-Holland, Amsterdam, 1963).