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.
Walter D. Neumann, Michael Shapiro. Automatic Structures and Boundaries for Graphs of Groups. IJAC, 4(4):591-616, 1994. [doi]
Abstract is missing.