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.
David M. Frohlich. The history and future of direct manipulation. Behaviour & IT, 12(6):315-329, 1993. [doi]
Abstract is missing.