@inproceedings{CHI-2010-AulaKG,
	author        = "Anne Aula and Rehan M. Khan and Zhiwei Guan",
	booktitle     = "{Proceedings of the 28th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1753326.1753333",
	isbn          = "978-1-60558-929-9",
	pages         = "35--44",
	publisher     = "{ACM}",
	title         = "{How does search behavior change as search becomes more difficult?}",
	year          = 2010,
}