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2. French, P. A. Uehling, T. E. and Wettstein, H. K.: 1980, Midwest Studies in Philosophy V: Studies in Epistemology (University of Minnesota Press, Minneapolis).
3. Goldman, A. I.: 1980, ?The internalist conception of justification?, in French at al., 1980, pp. 27?51.
4. Heil, J.: 1982, ?Seeing is believing?, American Philosophical Quarterly 19, pp. 229?239.