Methods for the calibration of vibration and shock transducers -- Part 21: Vibration calibration by comparison to a reference transducer -- Technical Corrigendum 1— 3 стр.
Acoustic properties of building elements and of buildings - Laboratory measurement of airborne and structure borne sound from building equipment - Part 1: Simplified cases where the equipment mobilities are much higher than the receiver mobilities, taking whirlpool baths as an example