@inproceedings{ECIR-2004-BellR,
	author        = "David J. Bell and Ian Ruthven",
	booktitle     = "{Proceedings of the 26th European Conference on Information Retrieval Research: Advances in Information Retrieval}",
	doi           = "10.1007/978-3-540-24752-4_5",
	isbn          = "3-540-21382-1",
	pages         = "57--71",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Searcher’s Assessments of Task Complexity for Web Searching}",
	volume        = 2997,
	year          = 2004,
}