@inproceedings{SIGIR-2013-WilkieA,
	author        = "Colin Wilkie and Leif Azzopardi",
	booktitle     = "{Proceedings of the 36th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2484028.2484145",
	isbn          = "978-1-4503-2034-4",
	pages         = "937--940",
	publisher     = "{ACM}",
	title         = "{Relating retrievability, performance and length}",
	year          = 2013,
}