@inproceedings{ACIR-1997-Wilkinson,
	author        = "Ross Wilkinson",
	booktitle     = "{Proceedings of the 19th Annual BCS-IRSG Colloquium on Information Retrieval Research}",
	ee            = "http://ewic.bcs.org/content/ConWebDoc/4845",
	publisher     = "{BCS}",
	series        = "{Workshops in Computing}",
	title         = "{Using Combination of Evidence for Term Expansion}",
	year          = 1997,
}