1. A family of bivariate life distributions;Block,1977
2. Regression models and life-tables;Cox;J. Roy. Statist. Soc. Ser. B,1972
3. Multivariate geometric distributions generated by a cumulative damage process;Esary,1973
4. A bivariate exponential distribution with applications to reliability;Hawkes;J. Roy. Statist. Soc. Ser. B,1972
5. Converting dependent models into independent ones, with applications in reliability;Langberg,1977