1. Directive 2002/49/EC of the European Parliament and of the Council of 25 June 2002 relating to the assessment and management of environmental noise, Declaration by the Commission in the Conciliation Committee on the Directive relating to the assessment and management of environmental noise (2002).
2. M. F. Oliveira, L.T. Silva, The influence of urban form on facades noise levels, WSEAS Transactions on Environment and Development, Issue 5, Volume 7, May 2011.
3. K. Attenborough, K. Ming Li, K. Horoshenkov, Predicting Outdoor Sound, CRC Press, 2006, ISBN 0203088735, 9780203088739.
4. SK. Tang, Noise screening effects of balconies on a building facade. J Acoust. Soc Am. 2005 Jul;118(1):213-21.
5. European project QSIDE - The positive effects of quiet facades and quiet urban areas on traffic noise annoyance and sleep disturbance,.LIFE09ENV/NL/000423.