@inproceedings{CHI-2009-HeerKA,
	author        = "Jeffrey Heer and Nicholas Kong and Maneesh Agrawala",
	booktitle     = "{Proceedings of the 27th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1518701.1518897",
	isbn          = "978-1-60558-246-7",
	pages         = "1303--1312",
	publisher     = "{ACM}",
	title         = "{Sizing the horizon: the effects of chart size and layering on the graphical perception of time series visualizations}",
	year          = 2009,
}