@article{card:1999,
	title = {Information foraging},
	author = {Peter Pirolli and Stuart Card},
	journal = {Psychological Review},
	pages = {634-675},
	volume = {106. 4},
	year = {1999},
	biburl = {http://www.bibsonomy.org/bibtex/2f00ac0a81316fd7434ff6c4f7b62dd00/moritzstefaner},
	keywords = {card facetBook foraging information pirolli }
}