1. Finder 2.0;Apple Computer,1987
2. Goals and objectives for user interface systems;Betts;Comput. Graph.,1987
3. Human factors testing in the design of Xerox's 8010 ‘Star’ Office Workstation;Bewley,1983
4. Common Lisp Object System Specification;Bobrow;X3J13 Document 88-002R,1988
5. The Tourist Artificial Reality;Fairchild;MCC Technical Report STP-310-88,1988