References
- Kelley , T. R. 1948 . The Kelley Statistical Tables , Cambridge , Mass. : Harvard University Press .
- Kendall , M. G. and Stuart , A. 1961 . The Advanced Theory of Statistics , Vol. 2 , Toronto : Griffin Press .
- Lancaster , H. O. 1958 . “The Structure of Bivariate Distributions,” . The Annals of Mathematical Statistics , 29 September : 719 – 36 .