1. Air quality guidelines, global update 2005, particulate matter, ozone, nitrogen dioxide and sulphur dioxide;WHO,2006
2. Ventilation for acceptable indoor air quality;ASHRAE Standard 62.1-2004,2004
3. CEN. prEN 15251: Criteria for the indoor environment including thermal, indoor air quality, light, and noise. Brussels, Belgium; 2005.
4. Bluyssen PM, Adan OCG. Marketing the indoor environment: standardization or performance on demand? In: Proceedings of healthy buildings. Lisboa, Portugal; June 2006.
5. Management of the indoor environment – from a component related to an interactive top–down approach;Bluyssen;Indoor and Built Environment,2008