@inproceedings{JCDL-2005-BierP,
	author        = "Eric A. Bier and Adam Perer",
	booktitle     = "{Proceedings of the Fifth Joint Conference on Digital Libraries}",
	doi           = "10.1145/1065385.1065452",
	isbn          = "1-58113-876-8",
	pages         = "289--290",
	publisher     = "{ACM}",
	title         = "{Icon abacus: positional display of document attributes}",
	year          = 2005,
}