1. Fitting of hierarchical tree structure (HTS) models, mixtures of HTS models, and hybrid models, via mathematical programming and alternating least squares;Carroll,1975
2. Discrete and hybrid scaling models;Carroll,1980
3. Construction de l'ultramétrique la plus proche d'une dissimilarité au sens des moindres carrés;Chandon;R.A.I.R.O. Recherche Opérationelle,1980
4. On conjugate gradient algorithms;Dixon,1980
5. Validity studies in clustering methodologies;Dubes;Pattern Recognition,1979