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.
Scott Aaronson, Andris Ambainis. The Need for Structure in Quantum Speedups. Electronic Colloquium on Computational Complexity (ECCC), 16:110, 2009. [doi]
Abstract is missing.