Clusteringn objects intok groups under optimal scaling of variables

Synthesized clustering: A method for amalgamating alternative clustering bases with differential weighting of variables

DeSarbo, Wayne, (1984)

Fitting a distance model to homogeneous subsets of variables: Points of view analysis of categorical data

Meulman, Jacqueline, (1996)

An analysis and synthesis of multiple correspondence analysis, optimal scaling, dual scaling, homogeneity analysis and other methods for quantifying categorical multivariate data

Tenenhaus, Michel, (1985)