@article{Harhoff:2003,
	title = {Profiting from Voluntary Knowledge Spillovers: How Users Benefit by Freely Revealing their Innovations},
	author = {Dietmar Harhoff and Joachim Henkel and Eric Von Hippel},
	journal = {Research Policy 32},
	number = {10},
	pages = {1753-1769},
	year = {2003},
	biburl = {http://www.bibsonomy.org/bibtex/248528925805d5787209d459f85fca472/torstenschuenemann},
	date-modified = {2007-11-03 10:39:05 +0100}, date-added = {2007-11-03 10:39:05 +0100},
	keywords = {OpenSource }
}