1. FDA. ‘Guideline for submitting documentation for the stability of human drugs and biologics’, Food and Drug Administration, Center for Drugs and Biologics, Office of Drug Research and Review, Rockville, Maryland, 1987.
2. and ‘Estimating drug shelf-life with random batches’, Technical Report # SR88–130, Wyeth-Ayerst Laboratories, Rouses Point, New York, 1988.
3. Testing Statistical Hypotheses, Wiley, New York, 1959.
4. Tests of statistical hypotheses concerning several parameters when the number of observations is large
5. Approximation Theorems of Mathematical Statistics, Wiley, New York, 1980.