1. Peter Achinstein . The Nature of Explanation . New York: Oxford University Press, 1983 . 385 pp.
2. William Alston . "Sentence Meaning and lllocutionary Act Potential ", Philosophic Exchange, Summer, pp.17 -35 .
3. Austin's Theory of Illocutionary Force
4. Jarret Leplin ). Scientific Realism . Berkeley, California: University of California Press, 1984 . 266 pp.
5. Fred Wilson . Explanation, Causation and Deduction . Dordrecht: D. Reidel(The University of Western Ontario Series in Philosophy of Science, vol. 26)1985 . 385 pp.