@inproceedings{JCDL-2006-DeFeliceKRW,
	author        = "Barbara DeFelice and Kim A. Kastens and Constance Rinaldo and John Weatherley",
	booktitle     = "{Proceedings of the Sixth Joint Conference on Digital Libraries}",
	doi           = "10.1145/1141753.1141823",
	isbn          = "1-59593-354-9",
	pages         = "310--311",
	publisher     = "{ACM}",
	title         = "{Insights into collections gaps through examination of null result searches in DLESE}",
	year          = 2006,
}