Peter Ingwersen, Irene Wormell. Improved Subject Access, Browsing and Scanning Mechanisms in Modern Online IR. In SIGIR 86, Proceedings of the 9th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Pisa, Italy, September 8-10, 1986. pages 68-76, ACM, 1986. [doi]
Abstract is missing.