1. J.-P. Airoldi, R.S. Hoffmann, Age variation in voles and its significance for systematic studies, Occasional Papers of the Museum of Natural History, Vol. 111, University of Kansas, Lawrence, Kansas, 1984, pp. 1–45.
2. Statistical Factor Analysis and Related Methods: Theory and Applications;Basilevsky,1994
3. Robustness of normal theory methods in the analysis of linear latent variable models;Browne;British J. Math. Statist. Psychol.,1988
4. Asymptotics for the minimum covariance determinant estimator;Butler;Ann. Statist.,1993
5. Analyse canonique basée sur des estimateurs robustes de la matrice de covariance;Croux;Rev. Statist. Appl.,2002