1. Abdel-Hameed, M., Sampson, A.R.: Positive dependence of the bivariate and trivariate absolute normal t, χ
2 and F distributions. Annals of Statistics 6, 1360–1368 (1978)
2. Barlow, R.E., Proschan, F.: Statistical Theory of Reliability and Life Testing: Probability Models. Holt, Rinehart and Winston, New York (1975)
3. Barlow, R.E., Proschan, F.: Statistical Theory of Reliability and Life Testing: Probability Models, 2nd edition. To Begin With, Silver Spring, Maryland (1981)
4. Bhaskara Rao, M., Krishnaiah, P.R., Subramanyam, K.: A structure theorem on bivariate positive quadrant dependent distributions and tests for independence in two-way contingency tables. Journal of Multivariate Analysis 23, 93–118 (1987)
5. Block, H.W., Basu, A.P.: A continuous bivariate exponential distribution. Journal of the American Statistical Association 64, 1031–1037 (1976)