1. Adams, E., and S. Messick. An axiomatization of Thurstone's successive intervals and paired comparisons scaling models. Applied Mathematics and Statistics Laboratory, Technical Report 12, Stanford University, 1957.
2. Choice-point behavior;Bower,1959
3. Constant-ratio rule for confusion matrices in speech communication;Clarke;J. acoust. Soc. Amer.,1957
4. Analysis of a simple selective learning situation involving differential magnitude of reinforcement;Davenport;J. comp. physiol. Psychol.,1959
5. A random-walk model for choice behavior;Estes,1960