1. D.H. Robison, L.A. Lambert, Field investigation of residential duct leakage, Oregon Department of Energy Contract 90023, 1988.
2. Evidence of increased levels of space heat consumption and air leakage associated with forced air heating systems in houses in the pacific northwest;Parker;ASHRAE Transactions,1989
3. Impacts of duct leakage on infiltration rates, space conditioning energy use, and peak electrical demand in Florida homes;Cummings,1990
4. Handbook of Air Conditioning System Design;Carrier,1965
5. ASHRAE Handbook: Equipment;ASHRAE,1975