EN ISO 11690-3:1998 声学.低噪声机器工作间设计的推荐实用规程.第3部分:工作室中的声传播和噪声预测.ISO/TR 11690-3-1997
Acoustics - Recommended Practice for the Design of Low-Noise Workplaces Containing Machinery - Part 3: Sound Propagation and Noise Prediction in Workrooms ISO/TR 11690-3:1997