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.
Denis Thérien, Thomas Wilke. Over Words, Two Variables Are as Powerful as One Quantifier Alternation. In STOC. pages 234-240, 1998. [doi]
Abstract is missing.