@inproceedings{JCDL-2015-NielsenG,
	author        = "Matthias Nielsen and Kaj Grønbæk",
	booktitle     = "{Proceedings of the 15th Joint Conference on Digital Libraries}",
	doi           = "10.1145/2756406.2756937",
	isbn          = "978-1-4503-3594-2",
	pages         = "139--142",
	publisher     = "{ACM}",
	title         = "{PivotViz: Interactive Visual Analysis of Multidimensional Library Transaction Data}",
	year          = 2015,
}