@book{Ray+2025, url = {https://doi.org/10.3790/9783428444151}, title = {Der Innovationsprozeß in westeuropäischen Industrieländern}, title = {Band III: Innovation in der Energiewirtschaft}, author = {George F. Ray}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428444151}, isbn = {9783428444151}, year = {1979}, lastchecked = {2025} }