@conference {liu2010search,
	title = {Search behaviors in different task types},
	booktitle = {Proceedings of the 10th annual joint conference on Digital libraries},
	year = {2010},
	pages = {69{\textendash}78},
	author = {Jingjing Liu and Cole, Michael J and Chang Liu and Bierig, Ralf and Gwizdka, Jacek and Belkin, Nicholas J. and Jun Zhang and Zhang, Xiangmin}
}
