@article {74785,
	title = {The Clean, the Dirty and the Ugly: A Critical Analysis of Clean Humour Websites},
	journal = {First Monday},
	volume = {12},
	year = {2007},
	url = {http://firstmonday.org/htbin/cgiwrap/bin/ojs/index.php/fm/article/view/1621/1536},
	author = {Shifman, Limor and Maapil Varsano, Hamutal}
}
