@inproceedings{JCDL-2007-PalmerZM,
	author        = "Carole L. Palmer and Oksana L. Zavalina and Megan Mustafoff",
	booktitle     = "{Proceedings of the Seventh Joint Conference on Digital Libraries}",
	doi           = "10.1145/1255175.1255251",
	isbn          = "978-1-59593-644-8",
	pages         = "386--395",
	publisher     = "{ACM}",
	title         = "{Trends in metadata practices: a longitudinal study of collection federation}",
	year          = 2007,
}