1. M. Brown, First passage distribution for exponential repairable parallel systems, in preparation
2. A reliability bound for systems of maintained, interdependent components;Esary;J. Am. Statist. Assoc.,1970
3. Monotonicity and convexity in system survival functions and metabolic disappearance curves;Keilson,1973
4. Classes of distributions applicable in replacement with renewal theory implications;Marshall,1972
5. Multicomponent reliability systems;Ross,1974