Cleff, Thomas, Christoph Grimpe and Christian Rammer (2009), Customer-Driven Innovation in the Electrical, Optical and ICT Industry, in: Barkovic, D., Runzheimer, B. Vol. V Osijek, 651-682.
Cleff, Thomas, Christoph Grimpe and Christian Rammer (2009), Customer-Driven Innovation in the Electrical, Optical and ICT Industry, in: Barkovic, D., Runzheimer, B. Vol. V Osijek, 651-682.
