1. ISO 5128 (1980) Acoustics; measurement of noise inside motor vehicles
2. Fastl H, Zwicker E (1999) Psychoacoustics: facts and models. Springer, New York
3. Kook J, Jensen JS (2013) Acoustical topology optimization of Zwicker’s loudness with Padé approximation. Comput Methods Appl Mech Eng 255(4):40–66
4. Moore BCJ, Glasberg BR (1997) A model for the prediction of thresholds, loudness and partial loudness. J Audio Eng Soci 45(4):224–240
5. ISO 532B (1975) Acoustics-Method for calculating loudness level