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Candelinc: A general approach to multidimensional analysis of many-way arrays with linear constraints on parameters
Carroll, J. Douglas, (1980)
More factors than subjects, tests and treatments: An indeterminacy theorem for canonical decomposition and individual differences scaling
Kruskal, Joseph, (1976)
Introduction to multidimensional scaling : theory, methods, and applications
Schiffman, Susan S., (1981)