References
- Guide to Energy Management (Chapter 14) , Fourth Edition , Lilburn, GA : The Fairmont Press . by Barney L. Capehart, Wayne C. Turner, and William J. Kennedy
- Turner , Wayne C. Dr. Energy Management Handbook (Chapter 7) , Fifth Edition , Lilburn, GA : The Fairmont Press .
- Petchers , Neal , ed. Combined Heating, Cooling and Power Handbook , Lilburn, GA : The Fairmont Press . by