1. Krantz, D., Luce, R. D., Suppes, P., and Tversky, A.: 1971-1990, Foundations of Measurement, Vol. 1 (1971), Vol. 2 (1989), Vol. 3 (1990), San Diego: Academic Press.
2. Luce, R. D.: 1990, ‘Generalized Concatenation Structures That Are Translation Homogeneous between Singular Points’, Mathematical Behavioral Sciences, Technical Report Series, Irvine: University of California.
3. Moulines, C. U. and Sneed, J. D.: 1979, ‘Patrick Suppes’ Philosophy of Physics’, in: R. J. Bogdan (Ed.), Patrick Suppes, Dordrecht: D. Reidel, pp. 59–91.
4. Suppes, P.: 1970, Set-Theoretical Structures in Science, Typescript, Stanford: Stanford University.
5. Suppes, P.: 1979, ‘Replies to Moulines and Sneed’, in: R. J. Bogdan (Ed.), Patrick Suppes, Dordrecht: D. Reidel, pp. 207–211.