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.
William R. Dolan, Joseph S. Dumas. A Flexible Approach to Third-Party Usability. Communications of the ACM, 42(5):83-85, 1999. [doi]
Abstract is missing.