TY - GEN AU - Gnanadesikan R TI - Methods for statistical data analysis of multivariate observations T2 - Wiley series in statistics and probability SN - 0-471-16119-5 U1 - 519. 535 GNA CY - NewYork, John Wiley & Sons INC KW - Statistics/multivariate/clustering/hypotheses/elliptical distribution ER -