1. Eurostat, Energy Balance Sheets, Data 2002–2003, Luxemburg, 2005.
2. A CO2-controlled ventilation system;Sodergren;Environment International,1982
3. Demand controlled ventilation by room CO2 concentration: a comparison of simulated energy savings in an auditorium space;Warren;Energy and Buildings,1991
4. Carbon dioxide concentration-based ventilation control;Vaculik;ASHRAE Transactions,1993
5. Application of CO2-based demand-controlled ventilation using ASHRAE standard 62: optimizing energy use and ventilation;Schell;ASHRAE Transactions,1998