@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},
date-modified = {2007-11-03 10:39:05 +0100}, date-added = {2007-11-03 10:39:05 +0100},
keywords = {OpenSource }
}
::