1. A generalized Procrustes macro for sensory analysis;Arnold;GENSTAT Newsletter,1987
2. Orthogonal rotation to congruence;Cliff;Psychometrika,1966
3. Procrustes-PC v2.0 Manual;Dijksterhuis,1989
4. Procrustes-PC v2.1 Manual;Dijksterhuis,1990
5. Generalized Procrustes analysis;Gower;Psychometrika,1975