@inproceedings{SIGIR-1981-BollmannC,
	author        = "Peter Bollmann and Vladimir S. Cherniavsky",
	booktitle     = "{Proceedings of the Fourth International Conference on Information Storage and Retrieval}",
	cdrom         = "SIGIR1981/P015.pdf",
	doi           = "10.1145/511754.511757",
	isbn          = "0-89791-052-4",
	pages         = "15--21",
	publisher     = "{ACM}",
	title         = "{Restricted Evaluation in Information Retrieval}",
	year          = 1981,
}