@book{Siegmund_1985,
title={Sequential Analysis},
ISBN={9781475718621},
ISSN={0172-7397},
url={http://dx.doi.org/10.1007/978-1-4757-1862-1},
DOI={10.1007/978-1-4757-1862-1},
journal={Springer Series in Statistics},
publisher={Springer New York},
author={Siegmund,
David},
year={1985} }