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.
Uwe Nestmann. On the Expressive Power of Joint Input. Electronic Notes in Theoretical Computer Science, 16(2):145-152, 1998. [doi]
Abstract is missing.