1. Beranek, L.L., Vèr, I.L., 1992. Noise and Vibration Control Engineering. Wiley/Interscience, New York.
2. Cook, D.I., Haverbeke, D.F.V., 1974. Trees and shrubs for noise abatement. University of Nebraska College of Agriculture Experiment Station Bulletin, RB246.
3. Sound propagation in homogeneous deciduous and evergreen woods;Embleton;J. Acoust. Soc. Am,1963
4. Jungle acoustics;Eyring;J. Acoust. Soc. Am,1946
5. Investigation of the noise reduction provided by tree belts;Fang;Landscape Urban Plan,2003