@inproceedings{SIGIR-1987-WattersSR,
	author        = "Carolyn R. Watters and Michael A. Shepherd and W. Robertson",
	booktitle     = "{Proceedings of the 10th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	cdrom         = "SIGIR1987/P272.pdf",
	doi           = "10.1145/42005.42036",
	isbn          = "0-89791-232-2",
	pages         = "272--281",
	publisher     = "{ACM}",
	title         = "{Towards an Expert System for Bibliographic Retrieval: A Prolog Prototype}",
	year          = 1987,
}