@inproceedings{SIGIR-1985-Bookstein,
	author        = "Abraham Bookstein",
	booktitle     = "{Proceedings of the Eighth annual international ACM SIGIR conference on Research and development in information retrieval}",
	doi           = "10.1145/253495.253505",
	isbn          = "0-89791-159-8",
	pages         = "11--17",
	publisher     = "{ACM}",
	title         = "{Implications of Boolean Structures for Probabilistic Retrieval}",
	year          = 1985,
}