00338nam a22000857a 4500245014900000260006900149300001000218650001400228650001000242  aISO 11690-1:1996-Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 1: Noise control strategies  aGeneva :bInternational Organization for Standardization,c1996.  a32 p.  aAcoustics  aNoise