Coombs, C. H., Dawes, R. , and Tversky, A.Mathematical psychology: An elementary introduction. Englewood Cliffs (New Jersey) : Prentice Hall, 1970 .
2.
Gulliksen, H.Methods for determining equivalence of measures. Psychological Bulletin, 1968 , 70, 534-544.
3.
Jöreskog, K. G.Estimation and testing of simplex models. The British Journal of Mathematical and Statistical Psychology, 1970, 23, 121-145.
4.
Klahr, D. A.A Monte Carlo investigation of the statistical significance of Kruskal's nonmetric scaling procedure. Psychometrika, 1969, 34, 391-330.
5.
Kruskal, J. B.Multidimensional scaling by optimizing goodness of fit to a nonmetric hypothesis. Psychometrika , 1964, 29, 1-27 and 115-129.
6.
Roskam, E. E. and Lingoes, J. C.MINISSA—1. A FORTRAN program for the smallest space analysis of square symmetric matrices. Behavioral Science , 1970, 15, 204-205.
7.
Shepard, R. N.The analysis of proximities: Multidimensional scaling with an unknown distance function. Psychometrika, 1962, 21, 125-140 and 219-246.
8.
Thurstone, L. L.Theory of attitude measurement . Psychological Review, 1929, 36, 222-241.
9.
Thurstone, L. L. and Chave, E. J.The measurement of attitudes. Chicago: University of Chicago Press, 1929.
10.
Torgerson, W. S.Theory and methods of scaling . New York: Wiley, 1958.