Aroian, L. A. and Robison, D. E. (1969) Direct methods for exact truncated sequential tests of the mean of a normal distribution. Technometrics
Von Bahr, B. (1974) Ruin probabilities expressed in terms of ladder height distributions. Scand. Actuarial J.
Borovkov, A. A. (1962) New limit theorems in boundary problems for sums of independent terms. Selected Translations in Mathematical Statistics and Probability
Borovkov, A. A. (1964) Some limit theorems in the theory of mass service. Theory Prob. Appl.
van Dobben de Bruyn, C. S. (1968) Cumulative Sum Tests. Griffin, London.
Epstein, B., Patterson, A. A. and Qualls, C. R. (1963) The exact analysis of sequential life tests with particular application to agree plans. Proceedings of the Aerospace Reliability and Maintainability Conference, 284–311.
Erdös, P. and Kac, M. (1946) On certain limit theorems of the theory of probability. Bull. Amer. Math. Soc.
Feller, W. (1966) An Introduction to Probability Theory and Its Applications, Vol. II. Wiley, New York.
Hinkley, D. V. (1970) Inference about the change point in a sequence of random variables. Biometrika
Ito, K. and McKean, H. P. Jr. (1965) Diffusion Processes and Their Sample Paths. Springer-Verlag, Berlin.
Lai, T. L. (1976) Asymptotic moments of random walks with applications to ladder variables and renewal theory. Ann. Prob.
Siegmund, D. (1975a) Error probabilities and average sample number of the sequential probability ratio test. J. R. Statist Soc. B 37, 394–401.
Siegmund, D. (1975b) The time until ruin in collective risk theory. Mitt. Verein. Schweiz. Versich.-Math.
Siegmund, D. (1978) Estimation following sequential tests. Biometrika
Stone, C. J. (1965) On moment generating functions and renewal theory. Ann. Math. Statist.
Woodroofe, M. (1978) Repeated likelihood ratio tests. , University of Michigan.