http://www.lhh.org/noise/index.htm
The 10th Annual International
Noise Awareness Day is April 20, 2005
Fuente: JL Carles
http://www.lhh.org/noise/index.htm
The 10th Annual International
Noise Awareness Day is April 20, 2005
Fuente: JL Carles
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http://www.ruidos.org
saludos!