@article{Preece2005,
	title = {Online communities: Design, theory, and practice},
	author = {Jenny Preece and Diane Maloney-Krichmar},
	journal = {Journal of Computer-Mediated Communication},
	number = {4},
	url = {http://jcmc.indiana.edu/vol10/issue4/preece.html},
	volume = {10},
	year = {2005},
	biburl = {http://www.bibsonomy.org/bibtex/2f2ef11c129988d50e7147b2e68c76cb6/griesbau},
	keywords = {communities cvk }
}