TY - CONF AU - Díez, Itxasne AU - Fernández, Pilar AU - Vázquez, Manuel PY - 2009 SN - 9781615677368 UR - https://hdl.handle.net/11556/2614 AB - Due to the interest in reducing the noise quality in the vicinity of roads, it is very common to find anti-noise devices on their banks. The continuous growth of roads and vehicles have required the need to improve the effectiveness of barriers,... LA - eng TI - Methodology to evaluate the efficiency of additional devices on noise barriers TY - conference output ER -