Rees, Simon J, Jeffrey D Spitler, Michael J Holmes, and Philip  Haves. "Comparison of Peak Load Predictions and Treatment of Solar Gains in the Admittance and Heat Balance Load Calculation Procedures." Building Services Engineering Research & Technology 21.2 (2000).

Spitler, Jeffrey D, Simon J Rees, and Philip  Haves. "Comparison of North American and U.K. Cooling Load Calculation Procedures - Methodology." ASHRAE Transactions 104.2 (1998) 47-61.

Rees, Simon J, Jeffrey D Spitler, and Philip  Haves. "Comparison of North American and U.K. Cooling Load Calculation Procedures - Results." ASHRAE Transactions 104.2 (1998) 36-46.