@book{132531,
	author = {Pirolli, Peter. and ebrary, Inc.},
	title = {Information foraging theory},
	publisher = {Oxford University Press,},
	year = {c2007.},
	series = {Oxford series in human-technology interaction},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10161100}
}