The engineering approach is described in the following two publications:

• Mills, E., P. Mathew, N. Bourassa, M. Brook, and M.A. Piette. 2008. "Action-Oriented Benchmarking: Concepts and Tools." Energy Engineering.
• Mathew, P., E. Mills, N. Bourassa, M. Brook. 2008. "Action-Oriented Benchmarking: Using the CEUS Database to Benchmark Commercial Buildings in California." Energy Engineering. 

- California Data: CEUS technical report
- National US Data: USDOE Commercial Buildings Energy Consumption Survey
- Laboratories: Labs21 Benchmarking