References
- Aitken , A. C. 1944 . Statistical Mathematics , Edinburgh and London : Oliver & Boyd, Ltd. .
- Kendall , M. G. and Stuart , A. 1958 . The Advanced Theory of Statistics , Vol. 1 , London : Charles Griffin & Co., Ltd. .
- Kendall , M. G. and Stuart , A. 1961 . The Advanced Theory of Statistics , Vol. 2 , London : Charles Griffin & Co., Ltd. .
- Patil , G. P. and Joshi , S. W. 1968 . A Dictionary and Bibliography of Discrete Distributions , Edinburgh and London : Oliver & Boyd, Ltd. .