@article{Lettl:2006,
	title = {Learning from users for radical innovation},
	author = {Christopher Lettl and Cornelius Herstatt and Hans Georg Gem{\"u}nden},
	journal = {International Journal of Technology Management},
	number = {1},
	pages = {25--45},
	url = {http://inderscience.metapress.com/index/2QRCNW4H9JF7XQVE.pdf},
	volume = {33},
	year = {2006},
	biburl = {http://www.bibsonomy.org/bibtex/2ef5a9a21ea6c88031290c67cdbd4cfc2/luise_k},
	keywords = {imported }
}