1. ASHRAE. 2012.ASHRAE Handbook -HVAC Systems and Equipment. Chapter 4, Air Handling and Distribution. Atlanta: ASHRAE
2. ASHRAE 2013.ASHRAE Handbook -Fundamentals. Chapter 21, Duct Design. Atlanta: ASHRAE
3. ASHRAE. 2015.ASHRAE Handbook -HVAC Applications. Chapter 48, Noise and Vibration Control. Atlanta: ASHRAE.
4. Chartered Institution of Building Services Engineers (CIBSE). 2008.CIBSE Concise Handbook, p. 69. Norwich: CIBSE.