Under CopyrightLay, G.G.LayBiege, S.S.BiegeBuschak, D.D.BuschakJäger, A.A.Jäger2022-03-078.9.20112011https://publica.fraunhofer.de/handle/publica/29547310.24406/publica-fhg-295473de303600Stiefkind Service-Innovation?report