@article{UserInnovation,
	title = {User Innovations Become Commercial Products: A Theoretical Investigation and Case Study},
	author = {C. Baldwin and C. Hienerth and E. v. Hippel},
	journal = {MIT User Innovation Workshop},
	year = {2006},
	biburl = {http://www.bibsonomy.org/bibtex/25d0d0a913659a6e602a9b1564855cd7d/sosbuch},
	entrytype = {article},
	keywords = {imported }
}