Forbes J. Burkowski. Retrieval Activities in a Database Consisting of Heterogeneous Collections of Structured Text. In Nicholas J. Belkin, Peter Ingwersen, Annelise Mark Pejtersen, editors, Proceedings of the 15th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Copenhagen, Denmark, June 21-24, 1992. pages 112-125, ACM, 1992. [doi]
Abstract is missing.