Dirk Riehle John Ellenberger Tamir Menahem Boris Mikhailovski Yuri Natchetoi Barak Naveh Thomas Odenwald Open Collaboration within Corporations Using Software Forges. 52-58 2009 26 IEEE Software 2 http://dx.doi.org/10.1109/MS.2009.44 db/journals/software/software26.html#RiehleEMMNNO09