1. Ignoring the User: How, When and Why;Line,1981
2. Information-Seeking Behavior: Patterns and Concepts;James;Drexel Library Quarterly,1983
3. Library Services in Theory and Context;Buckland,1983
4. The Information of Needs of Historians;Stieg;College and Research Libraries,1981
5. Information Seeking: Assessing and Anticipating User Needs;Chen,1982