1. An Introduction to Multivariate Analysis;Anderson,1958
2. On multivariate coefficients of variation;Bennett;Statistical Papers,1977
3. On the exact distribution of the ratio of two means belonging to samples drawn from a given correlated bivariate normal population;Bose;Bulletin of Calcutta Mathematical Society,1942
4. The application of invariance to unbiased estimation;Eaton;Annals of Mathematical Statistics,1970
5. Unbiased estimation of some multivariate probability densities and related functions;Ghurye;Annals of Mathematical Statistics,1969