Open Source Systems: Integrating Communities - Kevin Crowston, Imed Hammouda, Björn Lundell, Gregorio Robles, Jonas Gamalielsson, Juho Lindman; Gamalielsson, Jonas; Hammouda, Imed; Lindman, Juho; Lundell, Bjö; Robles, Gregorio (Springer International Publishing, 2016)