Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Peter J. Ramadge, Walter Murray Wonham. The control of discrete event systems. Proceedings of the IEEE, 77(1):81-98, 1989. [doi]