1. FAR 25.831 and JAR 25.831 – legal requirements pertaining to the provision of fresh air to passengers and crew.
2. VACBI Diagram, Airbus Air Conditioning System, Airbus Industrie.
3. The Future of Air Transport, white paper 2003, Department of Transport.
4. Air Quality Expert Group, DEFRA, Particulate Matter in the UK, April 2005.
5. Project for Sustainable Development at London Heathrow – Department for Transport 2004.