1. “Abstract: Nonparametric Estimation of a Vector-Valued Bivariate Failure Rate Function,”;Ahmad;Bulletin of the Institute of Mathematical Statistics,1975
2. “Total Time on Test Processes and Applications to Failure Data Analysis,”;Barlow,1975
3. STATISTICAL THEORY OF RELIABILITY AND LIFE TESTING;Barlow,1975
4. “Multivariate Life Table Analysis,”;Barlow,1976