Bandyopadhyay, D. and Basu, A. P. (1990) On generalization of a model by Lindley and Singpurwalla. Adv. Appl. Prob.
Barlow, R. E. and Proschan, F. (1975) Statistical Theory of Reliability and Life Testing: Probability Models, Holt, Rinehard and Winston, New York.
Gupta, P. L. and Gupta, R. D. (1987) Relative error in systems reliability. Proc. 47th Session Internat. Statist. Inst., .
Lindley, D. V. and Singpurwalla, N. D. (1986) Multivariate distributions for the life lengths of components of a system sharing a common environment. J. Appl. Prob.
Marshall, A. W. and Olkin, I. (1967) A multivariate exponential distribution. J. Amer. Statist. Assoc.
Tsiatis, A. (1975) A non-identifiability aspect of the problem of competing risks. Proc. Nat. Acad. Sci.