@inproceedings{VonAhn2006,
title = {Peekaboom: a game for locating objects in images.},
address = {Montreal, Quebec},
author = {L. Von Ahn and R. Liu and M. Blum},
booktitle = {ACM Conference on Human Factors in Computing Systems (CHI 2006)},
month = {April},
pages = {55�64},
publisher = {ACM Press},
year = {2006},
owner = {fermon}, timestamp = {2007.11.29},
keywords = {imported }
}
::