1. An Introduction to Multivariate Analysis;Anderson,1958
2. Asymptotic theory for principal component analysis;Anderson;Ann. Math. Stat.,1963
3. The climates of North America;Bryson,1974
4. On the physical interpretation of empirical orthogonal functions;Buell,1979
5. Yearly variations in runoff for the conterminous United States;Busby;U.S. Geol. Surv., Water-Supply Pap.,1963