1. Bluyssen PM, de Oliveira Fernandes E, Groes L, Clausen GH, Fanger PO, Valbjørn O, Bernhard CA, Roulet CA. European audit project to optimize indoor air quality and energy consumption in office buildings. Indoor Air Journal 1996;6:221–33.
2. Clausen G, de Oliveira Fernandes E. European database onindoor air pollution sources in buildings. Final Report, vol. 1, Denmark, 1997.
3. Bluyssen PM, Seppänen O, de Oliveira Fernandes E, Clausen G, Müller B, Molina JL, Roulet CA. AIRLESS: a European project to optimise air quality and energy consumption of HVAC-systems. CLIMA 2000, September 2001, Napels, Italy.
4. Protocol for sensory evaluation of perceived air pollution with trained panels;Bluyssen,1998
5. CEN. ENV13419, Building products, determination of the emission of volatile organic compounds. Brussels, August 1999.