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.
Simon Gill, David Wright. A hypercard based environment for the constructivist teaching of Newtonian physics. BJET, 25(2):135-146, 1994. [doi]
Abstract is missing.