![]() | Extracting Innovations : Mining, Energy, and Technological Change in the Digital Age Martin J. Clifford, Robert K. Perrons, Saleem H. Ali, Tim A. Grice |
![hidden image for function call](https://upload.wikimedia.org/wikipedia/commons/c/ca/1x1.png)
![]() | Extracting Innovations : Mining, Energy, and Technological Change in the Digital Age Martin J. Clifford, Robert K. Perrons, Saleem H. Ali, Tim A. Grice |