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.
Lars Erik Holmquist, Albrecht Schmidt, Brygg Ullmer. Tangible interfaces in perspective. Personal and Ubiquitous Computing, 8(5):291-293, 2004. [doi]
Abstract is missing.