1. European Landscape Convention, European Treaty Series (2000), 176, 20.
2. Sound influence on landscape values;Carles;Landscape and Urban Planning,1999
3. Schafer, R.M. The tuning of the world. Alfred A. Knopf., USA, 1977.
4. Urban soundscapes: Experiences and knowledge;Raimbault;Cities,2005
5. Towards the evaluation, description, and creation of soundscapes in urban open spaces;Zhang;Environment and Planning B: Planning and Design,2007