1. Alting, L. (1994). Chapter 1. A Morphological Process Model. In Manufacturing Engineering Processes (pp. 1-47). Marcel Decker Inc.
2. The impact of electric power on productivity
3. Beaudreau, B. C. (1998). Energy and Organization: Growth and Distribution Reexamined. Greenwood Press.
4. Beiser, A. (1983). Modern Technical Physics. The Benjamin/Cummings Publishing Company.
5. Technology, Prices, and the Derived Demand for Energy