1. PMP Measurement Systems from ExIS;Ahlvik,2010
2. Bales, C., 2004. Combitest – a new test method for thermal stores used in solar combisystems. Doctoral thesis, ISBN 91-7291-465-3, Department of Building Technology, Chalmers University of Technology, Göteborg, Sweden.
3. Particle-phase concentrations of polycyclic aromatic hydrocarbons in ambient air of rural residential areas in southern Germany;Bari;Air Quality, Atmosphere & Health,2010
4. Zusammenfassung der Anforderungen des Blauen Engels für Holzpelletheizungen;Blauer-Engel,2010
5. Adverse health effects from ambient air pollution in relation to residential wood combustion in modern society;Boman;Scandinavian Journal of Work, Environment and Health,2003