1. The operation and performance of an artificially intelligent keywording system;Information Processing & Management;1991-01
2. Towards a theory of document learning;Journal of the American Society for Information Science;1983-01
3. WEIRD;ACM SIGIR Forum;1979-04
4. Automatic aids to profile construction;Journal of the American Society for Information Science;1976-07
5. INFORMATION RETRIEVAL TEST COLLECTIONS;Journal of Documentation;1976-01